164623707 has 6 divisors (see below), whose sum is σ = 237789812. Its totient is φ = 109749132.

The previous prime is 164623703. The next prime is 164623717. The reversal of 164623707 is 707326461.

164623707 is a `hidden beast` number, since 1 + 646 + 2 + 3 + 7 + 0 + 7 = 666.

It is not a de Polignac number, because 164623707 - 2² = 164623703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164623703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9145753 + ... + 9145770.

Almost surely, 2^164623707 is an apocalyptic number.

164623707 is a deficient number, since it is larger than the sum of its proper divisors (73166105).

164623707 is a wasteful number, since it uses less digits than its factorization.

164623707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18291529 (or 18291526 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 164623707 is about 12830.5770330099. The cubic root of 164623707 is about 548.0633895361.

The spelling of 164623707 in words is "one hundred sixty-four million, six hundred twenty-three thousand, seven hundred seven".