18469327976 has 16 divisors (see below), whose sum is σ = 37778171040. Its totient is φ = 8395149040.

The previous prime is 18469327949. The next prime is 18469328023. The reversal of 18469327976 is 67972396481.

It is a super-2 number, since 2×18469327976² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104939276 + ... + 104939451.

It is an arithmetic number, because the mean of its divisors is an integer number (2361135690).

Almost surely, 2^18469327976 is an apocalyptic number.

It is an amenable number.

18469327976 is an abundant number, since it is smaller than the sum of its proper divisors (19308843064).

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

18469327976 is a wasteful number, since it uses less digits than its factorization.

18469327976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209878744 (or 209878740 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 62.

The spelling of 18469327976 in words is "eighteen billion, four hundred sixty-nine million, three hundred twenty-seven thousand, nine hundred seventy-six".