15000516660 has 96 divisors (see below), whose sum is σ = 43186558464. Its totient is φ = 3888000000.

The previous prime is 15000516647. The next prime is 15000516677. The reversal of 15000516660 is 6661500051.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 655410 + ... + 677910.

It is an arithmetic number, because the mean of its divisors is an integer number (449859984).

Almost surely, 2^15000516660 is an apocalyptic number.

15000516660 is a gapful number since it is divisible by the number (10) 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 15000516660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21593279232).

15000516660 is an abundant number, since it is smaller than the sum of its proper divisors (28186041804).

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

15000516660 is a wasteful number, since it uses less digits than its factorization.

15000516660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22825 (or 22823 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 15000516660 in words is "fifteen billion, five hundred sixteen thousand, six hundred sixty".