265640532501160 has 16 divisors (see below), whose sum is σ = 597691198127700. Its totient is φ = 106256213000448.

The previous prime is 265640532501131. The next prime is 265640532501181. The reversal of 265640532501160 is 61105235046562.

It can be written as a sum of positive squares in 2 ways, for example, as 253795550245444 + 11844982255716 = 15930962^2 + 3441654^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 265640532501160.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3320506656225 + ... + 3320506656304.

Almost surely, 2^{265640532501160} is an apocalyptic number.

265640532501160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265640532501160 is an abundant number, since it is smaller than the sum of its proper divisors (332050665626540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265640532501160 is a wasteful number, since it uses less digits than its factorization.

265640532501160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6641013312540 (or 6641013312536 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 265640532501160 in words is "two hundred sixty-five trillion, six hundred forty billion, five hundred thirty-two million, five hundred one thousand, one hundred sixty".