18722196360 has 192 divisors, whose sum is σ = 72596476800. Its totient is φ = 4279347072.

The previous prime is 18722196349. The next prime is 18722196379. The reversal of 18722196360 is 6369122781.

18722196360 is a `hidden beast` number, since 1 + 8 + 7 + 2 + 2 + 1 + 9 + 636 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 123972 + ... + 229811.

It is an arithmetic number, because the mean of its divisors is an integer number (378106650).

Almost surely, 2^18722196360 is an apocalyptic number.

18722196360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18722196360 is an abundant number, since it is smaller than the sum of its proper divisors (53874280440).

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

18722196360 is a wasteful number, since it uses less digits than its factorization.

18722196360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353817 (or 353800 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 18722196360 in words is "eighteen billion, seven hundred twenty-two million, one hundred ninety-six thousand, three hundred sixty".