18700368535352 has 32 divisors (see below), whose sum is σ = 40072723190400. Its totient is φ = 8014342677984.

The previous prime is 18700368535301. The next prime is 18700368535361. The reversal of 18700368535352 is 25353586300781.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

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, 2468399 + ... + 6594977.

It is an arithmetic number, because the mean of its divisors is an integer number (1252272599700).

Almost surely, 2^{18700368535352} is an apocalyptic number.

It is an amenable number.

18700368535352 is an abundant number, since it is smaller than the sum of its proper divisors (21372354655048).

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

18700368535352 is a wasteful number, since it uses less digits than its factorization.

18700368535352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207515 (or 4207511 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 56.

The spelling of 18700368535352 in words is "eighteen trillion, seven hundred billion, three hundred sixty-eight million, five hundred thirty-five thousand, three hundred fifty-two".