18753799680 has 1080 divisors, whose sum is σ = 84306510288. Its totient is φ = 3771187200.

The previous prime is 18753799667. The next prime is 18753799751. The reversal of 18753799680 is 8699735781.

18753799680 is a `hidden beast` number, since 1 + 8 + 7 + 537 + 9 + 96 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 604961265 + ... + 604961295.

Almost surely, 2^18753799680 is an apocalyptic number.

18753799680 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 18753799680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42153255144).

18753799680 is an abundant number, since it is smaller than the sum of its proper divisors (65552710608).

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

18753799680 is a wasteful number, since it uses less digits than its factorization.

18753799680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 63.

The spelling of 18753799680 in words is "eighteen billion, seven hundred fifty-three million, seven hundred ninety-nine thousand, six hundred eighty".