15616502151660 has 480 divisors, whose sum is σ = 51492977141760. Its totient is φ = 3954345702912.

The previous prime is 15616502151631. The next prime is 15616502151667. The reversal of 15616502151660 is 6615120561651.

15616502151660 is a `hidden beast` number, since 1 + 5 + 6 + 1 + 6 + 50 + 21 + 516 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (15616502151667) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3131439687 + ... + 3131444673.

It is an arithmetic number, because the mean of its divisors is an integer number (107277035712).

Almost surely, 2^{15616502151660} is an apocalyptic number.

15616502151660 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 15616502151660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25746488570880).

15616502151660 is an abundant number, since it is smaller than the sum of its proper divisors (35876474990100).

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

15616502151660 is a wasteful number, since it uses less digits than its factorization.

15616502151660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5627 (or 5616 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 15616502151660 in words is "fifteen trillion, six hundred sixteen billion, five hundred two million, one hundred fifty-one thousand, six hundred sixty".