265315313610664 has 16 divisors (see below), whose sum is σ = 497521851920820. Its totient is φ = 132642819765120.

The previous prime is 265315313610653. The next prime is 265315313610761. The reversal of 265315313610664 is 466016313513562.

It can be written as a sum of positive squares in 2 ways, for example, as 265127947562500 + 187366048164 = 16282750^2 + 432858^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1854554029 + ... + 1854697084.

Almost surely, 2^{265315313610664} is an apocalyptic number.

It is an amenable number.

265315313610664 is a deficient number, since it is larger than the sum of its proper divisors (232206538310156).

265315313610664 is a wasteful number, since it uses less digits than its factorization.

265315313610664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709260060 (or 3709260056 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 52.

The spelling of 265315313610664 in words is "two hundred sixty-five trillion, three hundred fifteen billion, three hundred thirteen million, six hundred ten thousand, six hundred sixty-four".