264768651185 has 16 divisors (see below), whose sum is σ = 322034544720. Its totient is φ = 208951142400.

The previous prime is 264768651157. The next prime is 264768651227. The reversal of 264768651185 is 581156867462.

It can be written as a sum of positive squares in 8 ways, for example, as 87739771681 + 177028879504 = 296209^2 + 420748^2 .

It is not a de Polignac number, because 264768651185 - 2¹⁶ = 264768585649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494366 + ... + 879735.

It is an arithmetic number, because the mean of its divisors is an integer number (20127159045).

Almost surely, 2^264768651185 is an apocalyptic number.

It is an amenable number.

264768651185 is a deficient number, since it is larger than the sum of its proper divisors (57265893535).

264768651185 is a wasteful number, since it uses less digits than its factorization.

264768651185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374628.

The product of its digits is 19353600, while the sum is 59.

The spelling of 264768651185 in words is "two hundred sixty-four billion, seven hundred sixty-eight million, six hundred fifty-one thousand, one hundred eighty-five".