264668634815 has 8 divisors (see below), whose sum is σ = 342033312768. Its totient is φ = 195447607200.

The previous prime is 264668634799. The next prime is 264668634829. The reversal of 264668634815 is 518436866462.

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

It is not a de Polignac number, because 264668634815 - 2⁴ = 264668634799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035912511 + ... + 2035912640.

It is an arithmetic number, because the mean of its divisors is an integer number (42754164096).

Almost surely, 2^264668634815 is an apocalyptic number.

264668634815 is a deficient number, since it is larger than the sum of its proper divisors (77364677953).

264668634815 is a wasteful number, since it uses less digits than its factorization.

264668634815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071825169.

The product of its digits is 39813120, while the sum is 59.

The spelling of 264668634815 in words is "two hundred sixty-four billion, six hundred sixty-eight million, six hundred thirty-four thousand, eight hundred fifteen".