264345162321615 has 64 divisors (see below), whose sum is σ = 447165967772160. Its totient is φ = 132978061117440.

The previous prime is 264345162321599. The next prime is 264345162321629. The reversal of 264345162321615 is 516123261543462.

It is not a de Polignac number, because 264345162321615 - 2⁴ = 264345162321599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 723034099 + ... + 723399611.

It is an arithmetic number, because the mean of its divisors is an integer number (6986968246440).

Almost surely, 2^{264345162321615} is an apocalyptic number.

264345162321615 is a deficient number, since it is larger than the sum of its proper divisors (182820805450545).

264345162321615 is a wasteful number, since it uses less digits than its factorization.

264345162321615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376664.

The product of its digits is 6220800, while the sum is 51.

The spelling of 264345162321615 in words is "two hundred sixty-four trillion, three hundred forty-five billion, one hundred sixty-two million, three hundred twenty-one thousand, six hundred fifteen".