155320164 has 36 divisors (see below), whose sum is σ = 393032640. Its totient is φ = 51718320.

The previous prime is 155320159. The next prime is 155320247. The reversal of 155320164 is 461023551.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45849 + ... + 49119.

Almost surely, 2^155320164 is an apocalyptic number.

It is an amenable number.

155320164 is an abundant number, since it is smaller than the sum of its proper divisors (237712476).

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

155320164 is a wasteful number, since it uses less digits than its factorization.

155320164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600 (or 4595 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 155320164 is about 12462.7510606607. The cubic root of 155320164 is about 537.5381349543.

The spelling of 155320164 in words is "one hundred fifty-five million, three hundred twenty thousand, one hundred sixty-four".