18212605084 has 24 divisors (see below), whose sum is σ = 32049198720. Its totient is φ = 9055736256.

The previous prime is 18212605079. The next prime is 18212605111. The reversal of 18212605084 is 48050621281.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2193589 + ... + 2201875.

It is an arithmetic number, because the mean of its divisors is an integer number (1335383280).

Almost surely, 2^18212605084 is an apocalyptic number.

It is an amenable number.

18212605084 is a deficient number, since it is larger than the sum of its proper divisors (13836593636).

18212605084 is a wasteful number, since it uses less digits than its factorization.

18212605084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11277 (or 11275 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 18212605084 in words is "eighteen billion, two hundred twelve million, six hundred five thousand, eighty-four".