18355202016708 has 48 divisors (see below), whose sum is σ = 44704353617280. Its totient is φ = 5850624958464.

The previous prime is 18355202016707. The next prime is 18355202016721. The reversal of 18355202016708 is 80761020255381.

It is a super-2 number, since 2×18355202016708² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18355202016707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9069835 + ... + 10907442.

It is an arithmetic number, because the mean of its divisors is an integer number (931340700360).

Almost surely, 2^{18355202016708} is an apocalyptic number.

It is an amenable number.

18355202016708 is an abundant number, since it is smaller than the sum of its proper divisors (26349151600572).

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

18355202016708 is a wasteful number, since it uses less digits than its factorization.

18355202016708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19980636 (or 19980634 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 18355202016708 in words is "eighteen trillion, three hundred fifty-five billion, two hundred two million, sixteen thousand, seven hundred eight".