18272364751620 has 960 divisors, whose sum is σ = 71277708902400. Its totient is φ = 3823948154880.

The previous prime is 18272364751583. The next prime is 18272364751657. The reversal of 18272364751620 is 2615746327281.

18272364751620 is a `hidden beast` number, since 1 + 8 + 2 + 7 + 2 + 3 + 6 + 4 + 7 + 5 + 1 + 620 = 666.

It is an interprime number because it is at equal distance from previous prime (18272364751583) and next prime (18272364751657).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 6939749824 + ... + 6939752456.

It is an arithmetic number, because the mean of its divisors is an integer number (74247613440).

Almost surely, 2^{18272364751620} is an apocalyptic number.

18272364751620 is a gapful number since it is divisible by the number (10) 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 18272364751620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35638854451200).

18272364751620 is an abundant number, since it is smaller than the sum of its proper divisors (53005344150780).

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

18272364751620 is a wasteful number, since it uses less digits than its factorization.

18272364751620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750 (or 3739 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 18272364751620 in words is "eighteen trillion, two hundred seventy-two billion, three hundred sixty-four million, seven hundred fifty-one thousand, six hundred twenty".