18476904536064 has 480 divisors, whose sum is σ = 61041043823760. Its totient is φ = 5531523416064.

The previous prime is 18476904536023. The next prime is 18476904536113. The reversal of 18476904536064 is 46063540967481.

18476904536064 is a `hidden beast` number, since 1 + 8 + 4 + 7 + 6 + 90 + 4 + 536 + 0 + 6 + 4 = 666.

It is a super-2 number, since 2×18476904536064² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18476904535992 and 18476904536010.

It is a congruent number.

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, 79676347 + ... + 79907909.

Almost surely, 2^{18476904536064} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18476904536064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30520521911880).

18476904536064 is an abundant number, since it is smaller than the sum of its proper divisors (42564139287696).

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

18476904536064 is a wasteful number, since it uses less digits than its factorization.

18476904536064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231647 (or 231618 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 63.

The spelling of 18476904536064 in words is "eighteen trillion, four hundred seventy-six billion, nine hundred four million, five hundred thirty-six thousand, sixty-four".