108156214418 has 54 divisors (see below), whose sum is σ = 190887713991. Its totient is φ = 45826642008.

The previous prime is 108156214393. The next prime is 108156214427. The reversal of 108156214418 is 814412651801.

108156214418 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 54078107209 + 54078107209 = 232547^2 + 232547^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=232547.

It is a Duffinian 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 26 ways as a sum of consecutive naturals, for example, 452536343 + ... + 452536581.

Almost surely, 2^108156214418 is an apocalyptic number.

108156214418 is a deficient number, since it is larger than the sum of its proper divisors (82731499573).

108156214418 is an frugal number, since it uses more digits than its factorization.

108156214418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 41.

The spelling of 108156214418 in words is "one hundred eight billion, one hundred fifty-six million, two hundred fourteen thousand, four hundred eighteen".