18107488256 has 192 divisors, whose sum is σ = 45050372640. Its totient is φ = 7148666880.

The previous prime is 18107488253. The next prime is 18107488261. The reversal of 18107488256 is 65288470181.

It is a super-2 number, since 2×18107488256² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18107488253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4976870 + ... + 4980506.

Almost surely, 2^18107488256 is an apocalyptic number.

18107488256 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 18107488256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22525186320).

18107488256 is an abundant number, since it is smaller than the sum of its proper divisors (26942884384).

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

18107488256 is a wasteful number, since it uses less digits than its factorization.

18107488256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700 (or 3680 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 50.

The spelling of 18107488256 in words is "eighteen billion, one hundred seven million, four hundred eighty-eight thousand, two hundred fifty-six".