12554460416666 has 64 divisors (see below), whose sum is σ = 23242261561344. Its totient is φ = 4971837283200.

The previous prime is 12554460416657. The next prime is 12554460416699. The reversal of 12554460416666 is 66661406445521.

It is a super-2 number, since 2×12554460416666² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6669476 + ... + 8342111.

It is an arithmetic number, because the mean of its divisors is an integer number (363160336896).

Almost surely, 2^{12554460416666} is an apocalyptic number.

12554460416666 is a deficient number, since it is larger than the sum of its proper divisors (10687801144678).

12554460416666 is a wasteful number, since it uses less digits than its factorization.

12554460416666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15011715.

The product of its (nonzero) digits is 24883200, while the sum is 56.

The spelling of 12554460416666 in words is "twelve trillion, five hundred fifty-four billion, four hundred sixty million, four hundred sixteen thousand, six hundred sixty-six".