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163066664 = 23194361409
BaseRepresentation
bin10011011100000…
…11001100101000
3102100211122102002
421232003030220
5313221113124
624103030132
74020021005
oct1156031450
9370748362
10163066664
1184057442
124673b348
1327a25567
141792a8ac
15e4b10ae
hex9b83328

163066664 has 64 divisors (see below), whose sum is σ = 335544000. Its totient is φ = 74027520.

The previous prime is 163066663. The next prime is 163066679. The reversal of 163066664 is 466660361.

163066664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (163066661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398492 + ... + 398900.

It is an arithmetic number, because the mean of its divisors is an integer number (5242875).

Almost surely, 2163066664 is an apocalyptic number.

It is an amenable number.

163066664 is an abundant number, since it is smaller than the sum of its proper divisors (172477336).

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

163066664 is a wasteful number, since it uses less digits than its factorization.

163066664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 163066664 is about 12769.7558316516. The cubic root of 163066664 is about 546.3300164679.

The spelling of 163066664 in words is "one hundred sixty-three million, sixty-six thousand, six hundred sixty-four".

Divisors: 1 2 4 8 19 38 43 61 76 86 122 152 172 244 344 409 488 817 818 1159 1634 1636 2318 2623 3268 3272 4636 5246 6536 7771 9272 10492 15542 17587 20984 24949 31084 35174 49837 49898 62168 70348 99674 99796 140696 199348 199592 334153 398696 474031 668306 948062 1072807 1336612 1896124 2145614 2673224 3792248 4291228 8582456 20383333 40766666 81533332 163066664