265999999996 has 24 divisors (see below), whose sum is σ = 475543252800. Its totient is φ = 130132154112.

The previous prime is 265999999931. The next prime is 266000000009. The reversal of 265999999996 is 699999999562.

It is a self number, because there is not a number n which added to its sum of digits gives 265999999996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443296 + ... + 853528.

It is an arithmetic number, because the mean of its divisors is an integer number (19814302200).

Almost surely, 2^265999999996 is an apocalyptic number.

It is an amenable number.

265999999996 is a deficient number, since it is larger than the sum of its proper divisors (209543252804).

265999999996 is a wasteful number, since it uses less digits than its factorization.

265999999996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413733 (or 413731 counting only the distinct ones).

The product of its digits is 15496819560, while the sum is 91.

The spelling of 265999999996 in words is "two hundred sixty-five billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-six".