18668022485996 has 24 divisors (see below), whose sum is σ = 35249312108304. Its totient is φ = 8599536158400.

The previous prime is 18668022485947. The next prime is 18668022486143. The reversal of 18668022485996 is 69958422086681.

It is a super-2 number, since 2×18668022485996² (a number of 27 digits) contains 22 as substring.

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, 343185455 + ... + 343239846.

It is an arithmetic number, because the mean of its divisors is an integer number (1468721337846).

Almost surely, 2^{18668022485996} is an apocalyptic number.

It is an amenable number.

18668022485996 is a deficient number, since it is larger than the sum of its proper divisors (16581289622308).

18668022485996 is a wasteful number, since it uses less digits than its factorization.

18668022485996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686425841 (or 686425839 counting only the distinct ones).

The product of its (nonzero) digits is 716636160, while the sum is 74.

The spelling of 18668022485996 in words is "eighteen trillion, six hundred sixty-eight billion, twenty-two million, four hundred eighty-five thousand, nine hundred ninety-six".