18093695616 has 48 divisors (see below), whose sum is σ = 52066497210. Its totient is φ = 6031231488.

The previous prime is 18093695603. The next prime is 18093695657. The reversal of 18093695616 is 61659639081.

18093695616 is a `hidden beast` number, since 18 + 0 + 9 + 3 + 6 + 9 + 5 + 616 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17557310016 + 536385600 = 132504^2 + 23160^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7852015 + ... + 7854318.

Almost surely, 2^18093695616 is an apocalyptic number.

18093695616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18093695616 is an abundant number, since it is smaller than the sum of its proper divisors (33972801594).

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

18093695616 is a wasteful number, since it uses less digits than its factorization.

18093695616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15706353 (or 15706338 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 18093695616 in words is "eighteen billion, ninety-three million, six hundred ninety-five thousand, six hundred sixteen".