164507807 has 8 divisors (see below), whose sum is σ = 170803200. Its totient is φ = 158253984.

The previous prime is 164507803. The next prime is 164507831. The reversal of 164507807 is 708705461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164507807 - 2² = 164507803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164507803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207 + ... + 18272.

It is an arithmetic number, because the mean of its divisors is an integer number (21350400).

Almost surely, 2^164507807 is an apocalyptic number.

164507807 is a deficient number, since it is larger than the sum of its proper divisors (6295393).

164507807 is a wasteful number, since it uses less digits than its factorization.

164507807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20785.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 164507807 is about 12826.0596833166. The cubic root of 164507807 is about 547.9347416829.

The spelling of 164507807 in words is "one hundred sixty-four million, five hundred seven thousand, eight hundred seven".