15506016560 has 40 divisors (see below), whose sum is σ = 36662541840. Its totient is φ = 6097279232.

The previous prime is 15506016551. The next prime is 15506016563. The reversal of 15506016560 is 6561060551.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 15506016560.

It is not an unprimeable number, because it can be changed into a prime (15506016563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1637867 + ... + 1647306.

It is an arithmetic number, because the mean of its divisors is an integer number (916563546).

Almost surely, 2^15506016560 is an apocalyptic number.

15506016560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15506016560 is an abundant number, since it is smaller than the sum of its proper divisors (21156525280).

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

15506016560 is a wasteful number, since it uses less digits than its factorization.

15506016560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285245 (or 3285239 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 15506016560 in words is "fifteen billion, five hundred six million, sixteen thousand, five hundred sixty".