18500674534272 has 1792 divisors, whose sum is σ = 68667384683520. Its totient is φ = 4848043622400.

The previous prime is 18500674534259. The next prime is 18500674534283. The reversal of 18500674534272 is 27243547600581.

18500674534272 is a `hidden beast` number, since 1 + 8 + 500 + 67 + 4 + 5 + 3 + 4 + 2 + 72 = 666.

It is a super-3 number, since 3×18500674534272³ (a number of 41 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 46136345272 + ... + 46136345672.

It is an arithmetic number, because the mean of its divisors is an integer number (38318853060).

Almost surely, 2^{18500674534272} is an apocalyptic number.

18500674534272 is a gapful number since it is divisible by the number (12) 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 18500674534272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34333692341760).

18500674534272 is an abundant number, since it is smaller than the sum of its proper divisors (50166710149248).

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

18500674534272 is an equidigital number, since it uses as much as digits as its factorization.

18500674534272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 18500674534272 in words is "eighteen trillion, five hundred billion, six hundred seventy-four million, five hundred thirty-four thousand, two hundred seventy-two".