18355486700308 has 12 divisors (see below), whose sum is σ = 33229760405940. Its totient is φ = 8861269441472.

The previous prime is 18355486700297. The next prime is 18355486700357. The reversal of 18355486700308 is 80300768455381.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13687173345924 + 4668313354384 = 3699618^2 + 2160628^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79118477041 + ... + 79118477272.

It is an arithmetic number, because the mean of its divisors is an integer number (2769146700495).

Almost surely, 2^{18355486700308} is an apocalyptic number.

It is an amenable number.

18355486700308 is a deficient number, since it is larger than the sum of its proper divisors (14874273705632).

18355486700308 is a wasteful number, since it uses less digits than its factorization.

18355486700308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158236954346 (or 158236954344 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 58.

The spelling of 18355486700308 in words is "eighteen trillion, three hundred fifty-five billion, four hundred eighty-six million, seven hundred thousand, three hundred eight".