18867601316 has 24 divisors (see below), whose sum is σ = 34925864064. Its totient is φ = 8900020800.

The previous prime is 18867601307. The next prime is 18867601349. The reversal of 18867601316 is 61310676881.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1397960 + ... + 1411391.

It is an arithmetic number, because the mean of its divisors is an integer number (1455244336).

Almost surely, 2^18867601316 is an apocalyptic number.

It is an amenable number.

18867601316 is a deficient number, since it is larger than the sum of its proper divisors (16058262748).

18867601316 is a wasteful number, since it uses less digits than its factorization.

18867601316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809451 (or 2809449 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 18867601316 in words is "eighteen billion, eight hundred sixty-seven million, six hundred one thousand, three hundred sixteen".