108611690 has 32 divisors (see below), whose sum is σ = 216471744. Its totient is φ = 38903040.

The previous prime is 108611669. The next prime is 108611719. The reversal of 108611690 is 96116801.

It is a super-2 number, since 2×108611690² = 23592998409312200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 2 + ... + 14738.

It is an arithmetic number, because the mean of its divisors is an integer number (6764742).

Almost surely, 2^108611690 is an apocalyptic number.

108611690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108611690 is a deficient number, since it is larger than the sum of its proper divisors (107860054).

108611690 is a wasteful number, since it uses less digits than its factorization.

108611690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14822.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 108611690 is about 10421.6932405440. The cubic root of 108611690 is about 477.1176951450.

The spelling of 108611690 in words is "one hundred eight million, six hundred eleven thousand, six hundred ninety".