18462968891064 has 96 divisors (see below), whose sum is σ = 54906214774320. Its totient is φ = 5792303955456.

The previous prime is 18462968891053. The next prime is 18462968891071. The reversal of 18462968891064 is 46019886926481.

18462968891064 is a `hidden beast` number, since 1 + 8 + 462 + 96 + 8 + 8 + 9 + 10 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 18462968890983 and 18462968891001.

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, 279302599 + ... + 279368694.

Almost surely, 2^{18462968891064} is an apocalyptic number.

It is an amenable number.

18462968891064 is an abundant number, since it is smaller than the sum of its proper divisors (36443245883256).

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

18462968891064 is a wasteful number, since it uses less digits than its factorization.

18462968891064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558671331 (or 558671315 counting only the distinct ones).

The product of its (nonzero) digits is 286654464, while the sum is 72.

The spelling of 18462968891064 in words is "eighteen trillion, four hundred sixty-two billion, nine hundred sixty-eight million, eight hundred ninety-one thousand, sixty-four".