18858375495360 has 784 divisors, whose sum is σ = 68089713862464. Its totient is φ = 4972308332544.

The previous prime is 18858375495341. The next prime is 18858375495371. The reversal of 18858375495360 is 6359457385881.

18858375495360 is a `hidden beast` number, since 1 + 8 + 8 + 5 + 8 + 3 + 75 + 495 + 3 + 60 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 17740710189 + ... + 17740711251.

Almost surely, 2^{18858375495360} is an apocalyptic number.

18858375495360 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 18858375495360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34044856931232).

18858375495360 is an abundant number, since it is smaller than the sum of its proper divisors (49231338367104).

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

18858375495360 is a wasteful number, since it uses less digits than its factorization.

18858375495360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884 (or 1859 counting only the distinct ones).

The product of its (nonzero) digits is 870912000, while the sum is 72.

The spelling of 18858375495360 in words is "eighteen trillion, eight hundred fifty-eight billion, three hundred seventy-five million, four hundred ninety-five thousand, three hundred sixty".