18607866480 has 320 divisors, whose sum is σ = 73388160000. Its totient is φ = 4245212160.

The previous prime is 18607866463. The next prime is 18607866493. The reversal of 18607866480 is 8466870681.

18607866480 is a `hidden beast` number, since 1 + 86 + 0 + 7 + 86 + 6 + 480 = 666.

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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12412771 + ... + 12414269.

It is an arithmetic number, because the mean of its divisors is an integer number (229338000).

Almost surely, 2^18607866480 is an apocalyptic number.

18607866480 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 18607866480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36694080000).

18607866480 is an abundant number, since it is smaller than the sum of its proper divisors (54780293520).

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

18607866480 is a wasteful number, since it uses less digits than its factorization.

18607866480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349 (or 2337 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 18607866480 in words is "eighteen billion, six hundred seven million, eight hundred sixty-six thousand, four hundred eighty".