164170355 has 32 divisors (see below), whose sum is σ = 214885440. Its totient is φ = 119992320.

The previous prime is 164170351. The next prime is 164170367. The reversal of 164170355 is 553071461.

It is not a de Polignac number, because 164170355 - 2² = 164170351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164170351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439949 + ... + 440321.

It is an arithmetic number, because the mean of its divisors is an integer number (6715170).

Almost surely, 2^164170355 is an apocalyptic number.

164170355 is a deficient number, since it is larger than the sum of its proper divisors (50715085).

164170355 is a wasteful number, since it uses less digits than its factorization.

164170355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 164170355 is about 12812.8979938186. The cubic root of 164170355 is about 547.5598288837.

The spelling of 164170355 in words is "one hundred sixty-four million, one hundred seventy thousand, three hundred fifty-five".