108331506 has 20 divisors (see below), whose sum is σ = 242743182. Its totient is φ = 36110448.

The previous prime is 108331499. The next prime is 108331529. The reversal of 108331506 is 605133801.

It can be written as a sum of positive squares in only one way, i.e., 65755881 + 42575625 = 8109^2 + 6525^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 108331506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 334195 + ... + 334518.

Almost surely, 2^108331506 is an apocalyptic number.

108331506 is an abundant number, since it is smaller than the sum of its proper divisors (134411676).

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

108331506 is an equidigital number, since it uses as much as digits as its factorization.

108331506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668727 (or 668718 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 108331506 is about 10408.2422147066. The cubic root of 108331506 is about 476.7070706510.

The spelling of 108331506 in words is "one hundred eight million, three hundred thirty-one thousand, five hundred six".