13881662067 has 32 divisors (see below), whose sum is σ = 23979128320. Its totient is φ = 6936814080.

The previous prime is 13881662063. The next prime is 13881662077. The reversal of 13881662067 is 76026618831.

It is not a de Polignac number, because 13881662067 - 2² = 13881662063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13881662063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1332934 + ... + 1343307.

It is an arithmetic number, because the mean of its divisors is an integer number (749347760).

Almost surely, 2^13881662067 is an apocalyptic number.

13881662067 is a deficient number, since it is larger than the sum of its proper divisors (10097466253).

13881662067 is a wasteful number, since it uses less digits than its factorization.

13881662067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676283.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 13881662067 in words is "thirteen billion, eight hundred eighty-one million, six hundred sixty-two thousand, sixty-seven".