18797100768 has 72 divisors (see below), whose sum is σ = 54005410368. Its totient is φ = 6201096192.

The previous prime is 18797100737. The next prime is 18797100769. The reversal of 18797100768 is 86700179781.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18797100769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308496 + ... + 364367.

It is an arithmetic number, because the mean of its divisors is an integer number (750075144).

Almost surely, 2^18797100768 is an apocalyptic number.

18797100768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18797100768 is an abundant number, since it is smaller than the sum of its proper divisors (35208309600).

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

18797100768 is a wasteful number, since it uses less digits than its factorization.

18797100768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672976 (or 672965 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 54.

The spelling of 18797100768 in words is "eighteen billion, seven hundred ninety-seven million, one hundred thousand, seven hundred sixty-eight".