18298764072 has 48 divisors (see below), whose sum is σ = 51157841280. Its totient is φ = 5902826400.

The previous prime is 18298764061. The next prime is 18298764091. The reversal of 18298764072 is 27046789281.

It is a happy number.

18298764072 is a `hidden beast` number, since 1 + 82 + 98 + 76 + 407 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4096954 + ... + 4101417.

It is an arithmetic number, because the mean of its divisors is an integer number (1065788360).

Almost surely, 2^18298764072 is an apocalyptic number.

18298764072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18298764072 is an abundant number, since it is smaller than the sum of its proper divisors (32859077208).

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

18298764072 is a wasteful number, since it uses less digits than its factorization.

18298764072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8198414 (or 8198407 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 18298764072 in words is "eighteen billion, two hundred ninety-eight million, seven hundred sixty-four thousand, seventy-two".