18748708926336 has 48 divisors (see below), whose sum is σ = 53951362929360. Its totient is φ = 6249569641728.

The previous prime is 18748708926319. The next prime is 18748708926359. The reversal of 18748708926336 is 63362980784781.

18748708926336 is a `hidden beast` number, since 1 + 8 + 7 + 487 + 0 + 89 + 2 + 63 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8137459320 + ... + 8137461623.

It is an arithmetic number, because the mean of its divisors is an integer number (1123986727695).

Almost surely, 2^{18748708926336} is an apocalyptic number.

18748708926336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18748708926336 is an abundant number, since it is smaller than the sum of its proper divisors (35202654003024).

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

18748708926336 is a wasteful number, since it uses less digits than its factorization.

18748708926336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16274920963 (or 16274920948 counting only the distinct ones).

The product of its (nonzero) digits is 585252864, while the sum is 72.

The spelling of 18748708926336 in words is "eighteen trillion, seven hundred forty-eight billion, seven hundred eight million, nine hundred twenty-six thousand, three hundred thirty-six".