11616839818 has 16 divisors (see below), whose sum is σ = 18355878720. Its totient is φ = 5498663616.

The previous prime is 11616839809. The next prime is 11616839831. The reversal of 11616839818 is 81893861611.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59871 + ... + 163762.

It is an arithmetic number, because the mean of its divisors is an integer number (1147242420).

Almost surely, 2^11616839818 is an apocalyptic number.

11616839818 is a deficient number, since it is larger than the sum of its proper divisors (6739038902).

11616839818 is a wasteful number, since it uses less digits than its factorization.

11616839818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225021.

The product of its digits is 497664, while the sum is 52.

The spelling of 11616839818 in words is "eleven billion, six hundred sixteen million, eight hundred thirty-nine thousand, eight hundred eighteen".