13616997933 has 72 divisors (see below), whose sum is σ = 23325705984. Its totient is φ = 7039992960.

The previous prime is 13616997929. The next prime is 13616997959. The reversal of 13616997933 is 33979961631.

It is not a de Polignac number, because 13616997933 - 2² = 13616997929 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13616997923) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3964785 + ... + 3968217.

Almost surely, 2^13616997933 is an apocalyptic number.

It is an amenable number.

13616997933 is a deficient number, since it is larger than the sum of its proper divisors (9708708051).

13616997933 is a wasteful number, since it uses less digits than its factorization.

13616997933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695 (or 3677 counting only the distinct ones).

The product of its digits is 4960116, while the sum is 57.

The spelling of 13616997933 in words is "thirteen billion, six hundred sixteen million, nine hundred ninety-seven thousand, nine hundred thirty-three".