18353670216672 has 48 divisors (see below), whose sum is σ = 55061010652032. Its totient is φ = 5243905776000.

The previous prime is 18353670216671. The next prime is 18353670216743. The reversal of 18353670216672 is 27661207635381.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18353670216671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13656003954 + ... + 13656005297.

It is an arithmetic number, because the mean of its divisors is an integer number (1147104388584).

Almost surely, 2^{18353670216672} is an apocalyptic number.

18353670216672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18353670216672 is an abundant number, since it is smaller than the sum of its proper divisors (36707340435360).

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

18353670216672 is a wasteful number, since it uses less digits than its factorization.

18353670216672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27312009271 (or 27312009263 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 18353670216672 in words is "eighteen trillion, three hundred fifty-three billion, six hundred seventy million, two hundred sixteen thousand, six hundred seventy-two".