12641654360 has 16 divisors (see below), whose sum is σ = 28443722400. Its totient is φ = 5056661728.

The previous prime is 12641654327. The next prime is 12641654419. The reversal of 12641654360 is 6345614621.

It is a super-2 number, since 2×12641654360² (a number of 21 digits) contains 22 as substring.

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, 158020640 + ... + 158020719.

It is an arithmetic number, because the mean of its divisors is an integer number (1777732650).

Almost surely, 2^12641654360 is an apocalyptic number.

12641654360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12641654360 is an abundant number, since it is smaller than the sum of its proper divisors (15802068040).

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

12641654360 is a wasteful number, since it uses less digits than its factorization.

12641654360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316041370 (or 316041366 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 12641654360 in words is "twelve billion, six hundred forty-one million, six hundred fifty-four thousand, three hundred sixty".