164504465 has 16 divisors (see below), whose sum is σ = 204180480. Its totient is φ = 127158720.

The previous prime is 164504453. The next prime is 164504471. The reversal of 164504465 is 564405461.

It is a de Polignac number, because none of the positive numbers 2^k-164504465 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14135 + ... + 22995.

It is an arithmetic number, because the mean of its divisors is an integer number (12761280).

Almost surely, 2^164504465 is an apocalyptic number.

It is an amenable number.

164504465 is a deficient number, since it is larger than the sum of its proper divisors (39676015).

164504465 is an equidigital number, since it uses as much as digits as its factorization.

164504465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8992.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 164504465 is about 12825.9294010220. The cubic root of 164504465 is about 547.9310311999.

The spelling of 164504465 in words is "one hundred sixty-four million, five hundred four thousand, four hundred sixty-five".