12598067664 has 240 divisors, whose sum is σ = 43483300224. Its totient is φ = 3315686400.

The previous prime is 12598067659. The next prime is 12598067707. The reversal of 12598067664 is 46676089521.

It is a super-2 number, since 2×12598067664² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12598067664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10757799 + ... + 10758969.

Almost surely, 2^12598067664 is an apocalyptic number.

12598067664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12598067664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21741650112).

12598067664 is an abundant number, since it is smaller than the sum of its proper divisors (30885232560).

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

12598067664 is a wasteful number, since it uses less digits than its factorization.

12598067664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026 (or 2017 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 12598067664 in words is "twelve billion, five hundred ninety-eight million, sixty-seven thousand, six hundred sixty-four".