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163379037444 = 223753107342971
BaseRepresentation
bin1001100000101000100…
…1100100010100000100
3120121201011111000221220
42120022021210110010
510134100013144234
6203015535440340
714542453622220
oct2301211442404
9517634430856
10163379037444
116331a230a97
12277b73860b0
131253933316c
147c9c5c5780
1543b3453a49
hex260a264504

163379037444 has 96 divisors (see below), whose sum is σ = 448047645696. Its totient is φ = 45370815360.

The previous prime is 163379037439. The next prime is 163379037469. The reversal of 163379037444 is 444730973361.

It is a happy number.

It is a super-2 number, since 2×1633790374442 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304879 + ... + 647849.

It is an arithmetic number, because the mean of its divisors is an integer number (4667162976).

Almost surely, 2163379037444 is an apocalyptic number.

163379037444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163379037444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224023822848).

163379037444 is an abundant number, since it is smaller than the sum of its proper divisors (284668608252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163379037444 is a wasteful number, since it uses less digits than its factorization.

163379037444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343145 (or 343143 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 51.

The spelling of 163379037444 in words is "one hundred sixty-three billion, three hundred seventy-nine million, thirty-seven thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 53 84 106 107 159 212 214 318 321 371 428 636 642 742 749 1113 1284 1484 1498 2226 2247 2996 4452 4494 5671 8988 11342 17013 22684 34026 39697 68052 79394 119091 158788 238182 342971 476364 685942 1028913 1371884 2057826 2400797 4115652 4801594 7202391 9603188 14404782 18177463 28809564 36354926 36697897 54532389 72709852 73395794 109064778 110093691 127242241 146791588 218129556 220187382 254484482 256885279 381726723 440374764 508968964 513770558 763453446 770655837 1027541116 1526906892 1541311674 1944988541 3082623348 3889977082 5834965623 7779954164 11669931246 13614919787 23339862492 27229839574 40844759361 54459679148 81689518722 163379037444