15499816960 has 208 divisors, whose sum is σ = 39855440160. Its totient is φ = 5768478720.

The previous prime is 15499816957. The next prime is 15499816961. The reversal of 15499816960 is 6961899451.

It is a junction number, because it is equal to n+sod(n) for n = 15499816895 and 15499816904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15499816961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23735994 + ... + 23736646.

Almost surely, 2^15499816960 is an apocalyptic number.

15499816960 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 15499816960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19927720080).

15499816960 is an abundant number, since it is smaller than the sum of its proper divisors (24355623200).

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

15499816960 is an equidigital number, since it uses as much as digits as its factorization.

15499816960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 58.

The spelling of 15499816960 in words is "fifteen billion, four hundred ninety-nine million, eight hundred sixteen thousand, nine hundred sixty".