20116761643676 has 48 divisors (see below), whose sum is σ = 36309542083584. Its totient is φ = 9746573006016.

The previous prime is 20116761643637. The next prime is 20116761643753. The reversal of 20116761643676 is 67634616761102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13046945 + ... + 14507111.

It is an arithmetic number, because the mean of its divisors is an integer number (756448793408).

Almost surely, 2^{20116761643676} is an apocalyptic number.

It is an amenable number.

20116761643676 is a deficient number, since it is larger than the sum of its proper divisors (16192780439908).

20116761643676 is a wasteful number, since it uses less digits than its factorization.

20116761643676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460850 (or 1460848 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 20116761643676 in words is "twenty trillion, one hundred sixteen billion, seven hundred sixty-one million, six hundred forty-three thousand, six hundred seventy-six".