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166542912 = 2633313109
BaseRepresentation
bin10011110110100…
…11111001000000
3102121101020221000
421323103321000
5320113333122
624305332000
74061406564
oct1173237100
9377336830
10166542912
1186011178
1247937000
1328671903
14181936a4
15e94b0ac
hex9ed3e40

166542912 has 112 divisors (see below), whose sum is σ = 505561600. Its totient is φ = 53706240.

The previous prime is 166542877. The next prime is 166542917. The reversal of 166542912 is 219245661.

166542912 is digitally balanced in base 2, 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 (36).

It is not an unprimeable number, because it can be changed into a prime (166542917) 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, 52014 + ... + 55122.

Almost surely, 2166542912 is an apocalyptic number.

166542912 is a gapful number since it is divisible by the number (12) 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 166542912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252780800).

166542912 is an abundant number, since it is smaller than the sum of its proper divisors (339018688).

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

166542912 is a wasteful number, since it uses less digits than its factorization.

166542912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161 (or 3145 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 166542912 is about 12905.1505996637. The cubic root of 166542912 is about 550.1849647867.

The spelling of 166542912 in words is "one hundred sixty-six million, five hundred forty-two thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 64 72 93 96 108 124 144 186 192 216 248 279 288 372 432 496 558 576 744 837 864 992 1116 1488 1674 1728 1984 2232 2976 3109 3348 4464 5952 6218 6696 8928 9327 12436 13392 17856 18654 24872 26784 27981 37308 49744 53568 55962 74616 83943 96379 99488 111924 149232 167886 192758 198976 223848 289137 298464 335772 385516 447696 578274 596928 671544 771032 867411 895392 1156548 1343088 1542064 1734822 1790784 2313096 2602233 2686176 3084128 3469644 4626192 5204466 5372352 6168256 6939288 9252384 10408932 13878576 18504768 20817864 27757152 41635728 55514304 83271456 166542912