15616016005506 has 24 divisors (see below), whose sum is σ = 36331139278800. Its totient is φ = 4461718858632.

The previous prime is 15616016005501. The next prime is 15616016005531. The reversal of 15616016005506 is 60550061061651.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (15616016005501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26557850056 + ... + 26557850643.

It is an arithmetic number, because the mean of its divisors is an integer number (1513797469950).

Almost surely, 2^{15616016005506} is an apocalyptic number.

15616016005506 is an abundant number, since it is smaller than the sum of its proper divisors (20715123273294).

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

15616016005506 is a wasteful number, since it uses less digits than its factorization.

15616016005506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53115700718 (or 53115700711 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 15616016005506 in words is "fifteen trillion, six hundred sixteen billion, sixteen million, five thousand, five hundred six".