164556156 has 24 divisors (see below), whose sum is σ = 387555840. Its totient is φ = 54338992.

The previous prime is 164556143. The next prime is 164556163. The reversal of 164556156 is 651655461.

It is a hoax number, since the sum of its digits (39) 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 7 ways as a sum of consecutive naturals, for example, 62796 + ... + 65363.

It is an arithmetic number, because the mean of its divisors is an integer number (16148160).

Almost surely, 2^164556156 is an apocalyptic number.

It is an amenable number.

164556156 is an abundant number, since it is smaller than the sum of its proper divisors (222999684).

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

164556156 is a wasteful number, since it uses less digits than its factorization.

164556156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128273 (or 128271 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The square root of 164556156 is about 12827.9443403844. The cubic root of 164556156 is about 547.9884159378.

The spelling of 164556156 in words is "one hundred sixty-four million, five hundred fifty-six thousand, one hundred fifty-six".