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166148072 = 23174183359
BaseRepresentation
bin10011110011100…
…11011111101000
3102120122012022022
421321303133220
5320013214242
624253044012
74055143466
oct1171633750
9376565268
10166148072
1185871562
1247786608
1328563c8c
14180cd836
15e8be0d2
hex9e737e8

166148072 has 64 divisors (see below), whose sum is σ = 342921600. Its totient is φ = 75151360.

The previous prime is 166148053. The next prime is 166148107. The reversal of 166148072 is 270841661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462629 + ... + 462987.

It is an arithmetic number, because the mean of its divisors is an integer number (5358150).

Almost surely, 2166148072 is an apocalyptic number.

It is an amenable number.

166148072 is an abundant number, since it is smaller than the sum of its proper divisors (176773528).

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

166148072 is a wasteful number, since it uses less digits than its factorization.

166148072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 166148072 is about 12889.8437539018. The cubic root of 166148072 is about 549.7498278221.

The spelling of 166148072 in words is "one hundred sixty-six million, one hundred forty-eight thousand, seventy-two".

Divisors: 1 2 4 8 17 34 41 68 82 83 136 164 166 328 332 359 664 697 718 1394 1411 1436 2788 2822 2872 3403 5576 5644 6103 6806 11288 12206 13612 14719 24412 27224 29438 29797 48824 57851 58876 59594 115702 117752 119188 231404 238376 250223 462808 500446 506549 1000892 1013098 1221677 2001784 2026196 2443354 4052392 4886708 9773416 20768509 41537018 83074036 166148072