18976690530 has 80 divisors (see below), whose sum is σ = 58315688640. Its totient is φ = 4337527968.

The previous prime is 18976690489. The next prime is 18976690561. The reversal of 18976690530 is 3509667981.

18976690530 is a `hidden beast` number, since 18 + 9 + 7 + 6 + 6 + 90 + 530 = 666.

It is a super-2 number, since 2×18976690530² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1667760 + ... + 1679099.

It is an arithmetic number, because the mean of its divisors is an integer number (728946108).

Almost surely, 2^18976690530 is an apocalyptic number.

18976690530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18976690530 is an abundant number, since it is smaller than the sum of its proper divisors (39338998110).

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

18976690530 is a wasteful number, since it uses less digits than its factorization.

18976690530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346885 (or 3346876 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 18976690530 in words is "eighteen billion, nine hundred seventy-six million, six hundred ninety thousand, five hundred thirty".