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166013808 = 2435365257
BaseRepresentation
bin10011110010100…
…10101101110000
3102120101101010120
421321102231300
5314444420213
624250130240
74054044162
oct1171225560
9376341116
10166013808
118578a6a4
1247720980
1328517b2c
1418096932
15e894423
hex9e52b70

166013808 has 40 divisors (see below), whose sum is σ = 436967568. Its totient is φ = 54292992.

The previous prime is 166013803. The next prime is 166013843. The reversal of 166013808 is 808310661.

166013808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166013803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30085 + ... + 35172.

Almost surely, 2166013808 is an apocalyptic number.

It is an amenable number.

166013808 is an abundant number, since it is smaller than the sum of its proper divisors (270953760).

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

166013808 is a wasteful number, since it uses less digits than its factorization.

166013808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65321 (or 65315 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 166013808 is about 12884.6345699053. The cubic root of 166013808 is about 549.6017039202.

The spelling of 166013808 in words is "one hundred sixty-six million, thirteen thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 53 106 159 212 318 424 636 848 1272 2544 65257 130514 195771 261028 391542 522056 783084 1044112 1566168 3132336 3458621 6917242 10375863 13834484 20751726 27668968 41503452 55337936 83006904 166013808