18855996262 has 16 divisors (see below), whose sum is σ = 28400922432. Its totient is φ = 9389053440.

The previous prime is 18855996209. The next prime is 18855996311. The reversal of 18855996262 is 26269955881.

It is a self number, because there is not a number n which added to its sum of digits gives 18855996262.

It is a congruent number.

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, 1485808 + ... + 1498444.

It is an arithmetic number, because the mean of its divisors is an integer number (1775057652).

Almost surely, 2^18855996262 is an apocalyptic number.

18855996262 is a deficient number, since it is larger than the sum of its proper divisors (9544926170).

18855996262 is a wasteful number, since it uses less digits than its factorization.

18855996262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15663.

The product of its digits is 18662400, while the sum is 61.

The spelling of 18855996262 in words is "eighteen billion, eight hundred fifty-five million, nine hundred ninety-six thousand, two hundred sixty-two".