13099775916 has 12 divisors (see below), whose sum is σ = 30566143832. Its totient is φ = 4366591968.

The previous prime is 13099775911. The next prime is 13099775917. The reversal of 13099775916 is 61957799031.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (13099775911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545823985 + ... + 545824008.

Almost surely, 2^13099775916 is an apocalyptic number.

It is an amenable number.

13099775916 is an abundant number, since it is smaller than the sum of its proper divisors (17466367916).

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

13099775916 is a wasteful number, since it uses less digits than its factorization.

13099775916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091648000 (or 1091647998 counting only the distinct ones).

The product of its (nonzero) digits is 3214890, while the sum is 57.

The spelling of 13099775916 in words is "thirteen billion, ninety-nine million, seven hundred seventy-five thousand, nine hundred sixteen".