12417715664 has 20 divisors (see below), whose sum is σ = 24061688004. Its totient is φ = 6208247808.

The previous prime is 12417715643. The next prime is 12417715727. The reversal of 12417715664 is 46651771421.

It can be written as a sum of positive squares in 2 ways, for example, as 5577102400 + 6840613264 = 74680^2 + 82708^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 161474 + ... + 225630.

Almost surely, 2^12417715664 is an apocalyptic number.

It is an amenable number.

12417715664 is a deficient number, since it is larger than the sum of its proper divisors (11643972340).

12417715664 is a wasteful number, since it uses less digits than its factorization.

12417715664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76262 (or 76256 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The spelling of 12417715664 in words is "twelve billion, four hundred seventeen million, seven hundred fifteen thousand, six hundred sixty-four".