12616738680 has 128 divisors (see below), whose sum is σ = 46584921600. Its totient is φ = 2661990912.

The previous prime is 12616738621. The next prime is 12616738681. The reversal of 12616738680 is 8683761621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12616738681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 566770 + ... + 588609.

It is an arithmetic number, because the mean of its divisors is an integer number (363944700).

Almost surely, 2^12616738680 is an apocalyptic number.

12616738680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12616738680 is an abundant number, since it is smaller than the sum of its proper divisors (33968182920).

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

12616738680 is a wasteful number, since it uses less digits than its factorization.

12616738680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155413 (or 1155409 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 12616738680 in words is "twelve billion, six hundred sixteen million, seven hundred thirty-eight thousand, six hundred eighty".