13616997938 has 32 divisors (see below), whose sum is σ = 22235005440. Its totient is φ = 6230580480.

The previous prime is 13616997929. The next prime is 13616997959. The reversal of 13616997938 is 83979961631.

13616997938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (62).

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, 645770 + ... + 666522.

It is an arithmetic number, because the mean of its divisors is an integer number (694843920).

Almost surely, 2^13616997938 is an apocalyptic number.

13616997938 is a deficient number, since it is larger than the sum of its proper divisors (8618007502).

13616997938 is a wasteful number, since it uses less digits than its factorization.

13616997938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21362.

The product of its digits is 13226976, while the sum is 62.

The spelling of 13616997938 in words is "thirteen billion, six hundred sixteen million, nine hundred ninety-seven thousand, nine hundred thirty-eight".