164655117 has 12 divisors (see below), whose sum is σ = 259456704. Its totient is φ = 99790920.

The previous prime is 164655107. The next prime is 164655173. The reversal of 164655117 is 711556461.

It is a happy number.

164655117 is a `hidden beast` number, since 1 + 646 + 5 + 5 + 1 + 1 + 7 = 666.

It is not a de Polignac number, because 164655117 - 2⁷ = 164654989 is a prime.

It is a super-2 number, since 2×164655117² = 54222615108567378, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164655107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 831493 + ... + 831690.

It is an arithmetic number, because the mean of its divisors is an integer number (21621392).

Almost surely, 2^164655117 is an apocalyptic number.

It is an amenable number.

164655117 is a deficient number, since it is larger than the sum of its proper divisors (94801587).

164655117 is a wasteful number, since it uses less digits than its factorization.

164655117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663200 (or 1663197 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 164655117 is about 12831.8010037563. The cubic root of 164655117 is about 548.0982439255.

The spelling of 164655117 in words is "one hundred sixty-four million, six hundred fifty-five thousand, one hundred seventeen".