18555085362 has 16 divisors (see below), whose sum is σ = 40483822752. Its totient is φ = 5622753120.

The previous prime is 18555085357. The next prime is 18555085441. The reversal of 18555085362 is 26358055581.

It is a super-2 number, since 2×18555085362² (a number of 21 digits) contains 22 as substring.

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, 140568763 + ... + 140568894.

It is an arithmetic number, because the mean of its divisors is an integer number (2530238922).

Almost surely, 2^18555085362 is an apocalyptic number.

18555085362 is an abundant number, since it is smaller than the sum of its proper divisors (21928737390).

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

18555085362 is a wasteful number, since it uses less digits than its factorization.

18555085362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281137673.

The product of its (nonzero) digits is 1440000, while the sum is 48.

The spelling of 18555085362 in words is "eighteen billion, five hundred fifty-five million, eighty-five thousand, three hundred sixty-two".