18675082573056 has 1080 divisors, whose sum is σ = 72794362443264. Its totient is φ = 4711076536320.

The previous prime is 18675082573031. The next prime is 18675082573109. The reversal of 18675082573056 is 65037528057681.

18675082573056 is a `hidden beast` number, since 1 + 8 + 6 + 7 + 5 + 0 + 8 + 2 + 573 + 0 + 56 = 666.

It is a super-2 number, since 2×18675082573056² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 18675082572984 and 18675082573002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 303772401 + ... + 303833871.

Almost surely, 2^{18675082573056} is an apocalyptic number.

18675082573056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18675082573056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36397181221632).

18675082573056 is an abundant number, since it is smaller than the sum of its proper divisors (54119279870208).

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

18675082573056 is a wasteful number, since it uses less digits than its factorization.

18675082573056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61549 (or 61519 counting only the distinct ones).

The product of its (nonzero) digits is 84672000, while the sum is 63.

The spelling of 18675082573056 in words is "eighteen trillion, six hundred seventy-five billion, eighty-two million, five hundred seventy-three thousand, fifty-six".