164465507 has 4 divisors (see below), whose sum is σ = 165513216. Its totient is φ = 163417800.

The previous prime is 164465489. The next prime is 164465513. The reversal of 164465507 is 705564461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164465507 - 2⁶ = 164465443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164467507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523619 + ... + 523932.

It is an arithmetic number, because the mean of its divisors is an integer number (41378304).

Almost surely, 2^164465507 is an apocalyptic number.

164465507 is a deficient number, since it is larger than the sum of its proper divisors (1047709).

164465507 is a wasteful number, since it uses less digits than its factorization.

164465507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047708.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 164465507 is about 12824.4105907445. The cubic root of 164465507 is about 547.8877740509.

The spelling of 164465507 in words is "one hundred sixty-four million, four hundred sixty-five thousand, five hundred seven".