164312055 has 24 divisors (see below), whose sum is σ = 301562352. Its totient is φ = 82477824.

The previous prime is 164312011. The next prime is 164312063. The reversal of 164312055 is 550213461.

164312055 is a `hidden beast` number, since 1 + 643 + 12 + 0 + 5 + 5 = 666.

It is not a de Polignac number, because 164312055 - 2⁸ = 164311799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106629 + ... + 108158.

It is an arithmetic number, because the mean of its divisors is an integer number (12565098).

Almost surely, 2^164312055 is an apocalyptic number.

164312055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164312055 is a deficient number, since it is larger than the sum of its proper divisors (137250297).

164312055 is a wasteful number, since it uses less digits than its factorization.

164312055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214815 (or 214812 counting only the distinct ones).

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

The square root of 164312055 is about 12818.4263854812. The cubic root of 164312055 is about 547.7173216201.

The spelling of 164312055 in words is "one hundred sixty-four million, three hundred twelve thousand, fifty-five".