15107217664 has 144 divisors (see below), whose sum is σ = 37988770176. Its totient is φ = 5824512000.

The previous prime is 15107217611. The next prime is 15107217677. The reversal of 15107217664 is 46671270151.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1908114 + ... + 1916014.

It is an arithmetic number, because the mean of its divisors is an integer number (263810904).

Almost surely, 2^15107217664 is an apocalyptic number.

15107217664 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 15107217664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18994385088).

15107217664 is an abundant number, since it is smaller than the sum of its proper divisors (22881552512).

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

15107217664 is an equidigital number, since it uses as much as digits as its factorization.

15107217664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8032 (or 8018 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 15107217664 in words is "fifteen billion, one hundred seven million, two hundred seventeen thousand, six hundred sixty-four".