15516420960416 has 96 divisors (see below), whose sum is σ = 31326051456000. Its totient is φ = 7563324966912.

The previous prime is 15516420960409. The next prime is 15516420960419. The reversal of 15516420960416 is 61406902461551.

It is not an unprimeable number, because it can be changed into a prime (15516420960419) 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, 161721290 + ... + 161817206.

It is an arithmetic number, because the mean of its divisors is an integer number (326313036000).

Almost surely, 2^{15516420960416} is an apocalyptic number.

15516420960416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15516420960416 is an abundant number, since it is smaller than the sum of its proper divisors (15809630495584).

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

15516420960416 is an equidigital number, since it uses as much as digits as its factorization.

15516420960416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96814 (or 96806 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 15516420960416 in words is "fifteen trillion, five hundred sixteen billion, four hundred twenty million, nine hundred sixty thousand, four hundred sixteen".