18554916960 has 144 divisors (see below), whose sum is σ = 66071757024. Its totient is φ = 4732839936.

The previous prime is 18554916959. The next prime is 18554917027. The reversal of 18554916960 is 6961945581.

18554916960 is a `hidden beast` number, since 1 + 8 + 5 + 549 + 1 + 6 + 96 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 18554916897 and 18554916906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246997 + ... + 313236.

It is an arithmetic number, because the mean of its divisors is an integer number (458831646).

Almost surely, 2^18554916960 is an apocalyptic number.

18554916960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18554916960 is an abundant number, since it is smaller than the sum of its proper divisors (47516840064).

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

18554916960 is a wasteful number, since it uses less digits than its factorization.

18554916960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560277 (or 560266 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 18554916960 in words is "eighteen billion, five hundred fifty-four million, nine hundred sixteen thousand, nine hundred sixty".