15394506216 has 64 divisors (see below), whose sum is σ = 38802170880. Its totient is φ = 5089556160.

The previous prime is 15394506209. The next prime is 15394506241. The reversal of 15394506216 is 61260549351.

15394506216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1471195 + ... + 1481621.

It is an arithmetic number, because the mean of its divisors is an integer number (606283920).

Almost surely, 2^15394506216 is an apocalyptic number.

It is an amenable number.

15394506216 is an abundant number, since it is smaller than the sum of its proper divisors (23407664664).

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

15394506216 is a wasteful number, since it uses less digits than its factorization.

15394506216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10934 (or 10930 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 15394506216 in words is "fifteen billion, three hundred ninety-four million, five hundred six thousand, two hundred sixteen".