18516767675168 has 48 divisors (see below), whose sum is σ = 41874213294144. Its totient is φ = 7895474522880.

The previous prime is 18516767675071. The next prime is 18516767675171. The reversal of 18516767675168 is 86157676761581.

It is a super-2 number, since 2×18516767675168² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18516767675095 and 18516767675104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209763338 + ... + 209851593.

It is an arithmetic number, because the mean of its divisors is an integer number (872379443628).

Almost surely, 2^{18516767675168} is an apocalyptic number.

It is an amenable number.

18516767675168 is an abundant number, since it is smaller than the sum of its proper divisors (23357445618976).

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

18516767675168 is a wasteful number, since it uses less digits than its factorization.

18516767675168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419615145 (or 419615137 counting only the distinct ones).

The product of its digits is 711244800, while the sum is 74.

The spelling of 18516767675168 in words is "eighteen trillion, five hundred sixteen billion, seven hundred sixty-seven million, six hundred seventy-five thousand, one hundred sixty-eight".