164155158 has 12 divisors (see below), whose sum is σ = 355669548. Its totient is φ = 54718380.

The previous prime is 164155139. The next prime is 164155171. The reversal of 164155158 is 851551461.

164155158 is a `hidden beast` number, since 1 + 641 + 5 + 5 + 1 + 5 + 8 = 666.

164155158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4559848 + ... + 4559883.

It is an arithmetic number, because the mean of its divisors is an integer number (29639129).

Almost surely, 2^164155158 is an apocalyptic number.

164155158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

164155158 is an abundant number, since it is smaller than the sum of its proper divisors (191514390).

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

164155158 is a wasteful number, since it uses less digits than its factorization.

164155158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9119739 (or 9119736 counting only the distinct ones).

The product of its digits is 24000, while the sum is 36.

The square root of 164155158 is about 12812.3049448567. The cubic root of 164155158 is about 547.5429327689.

The spelling of 164155158 in words is "one hundred sixty-four million, one hundred fifty-five thousand, one hundred fifty-eight".