18055535708 has 24 divisors (see below), whose sum is σ = 36353436000. Its totient is φ = 7686151488.

The previous prime is 18055535699. The next prime is 18055535713. The reversal of 18055535708 is 80753555081.

It is a super-2 number, since 2×18055535708² (a number of 21 digits) contains 22 as substring.

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, 2159723 + ... + 2168066.

It is an arithmetic number, because the mean of its divisors is an integer number (1514726500).

Almost surely, 2^18055535708 is an apocalyptic number.

It is an amenable number.

18055535708 is an abundant number, since it is smaller than the sum of its proper divisors (18297900292).

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

18055535708 is a wasteful number, since it uses less digits than its factorization.

18055535708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4327949 (or 4327947 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 47.

The spelling of 18055535708 in words is "eighteen billion, fifty-five million, five hundred thirty-five thousand, seven hundred eight".