12662654152665 has 16 divisors (see below), whose sum is σ = 22102087248576. Its totient is φ = 6139468680000.

The previous prime is 12662654152657. The next prime is 12662654152679. The reversal of 12662654152665 is 56625145626621.

It is not a de Polignac number, because 12662654152665 - 2³ = 12662654152657 is a prime.

It is a Curzon number.

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, 38371679086 + ... + 38371679415.

It is an arithmetic number, because the mean of its divisors is an integer number (1381380453036).

Almost surely, 2^{12662654152665} is an apocalyptic number.

12662654152665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12662654152665 is a deficient number, since it is larger than the sum of its proper divisors (9439433095911).

12662654152665 is a wasteful number, since it uses less digits than its factorization.

12662654152665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76743358520.

The product of its digits is 31104000, while the sum is 57.

The spelling of 12662654152665 in words is "twelve trillion, six hundred sixty-two billion, six hundred fifty-four million, one hundred fifty-two thousand, six hundred sixty-five".