18855364306 has 8 divisors (see below), whose sum is σ = 28547374320. Its totient is φ = 9339572868.

The previous prime is 18855364277. The next prime is 18855364331. The reversal of 18855364306 is 60346355881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×18855364306² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18855364306.

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 3 ways as a sum of consecutive naturals, for example, 44054376 + ... + 44054803.

It is an arithmetic number, because the mean of its divisors is an integer number (3568421790).

Almost surely, 2^18855364306 is an apocalyptic number.

18855364306 is a deficient number, since it is larger than the sum of its proper divisors (9692010014).

18855364306 is a wasteful number, since it uses less digits than its factorization.

18855364306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88109288.

The product of its (nonzero) digits is 2073600, while the sum is 49.

It can be divided in two parts, 18855 and 364306, that added together give a square (383161 = 619²).

The spelling of 18855364306 in words is "eighteen billion, eight hundred fifty-five million, three hundred sixty-four thousand, three hundred six".