108642916 has 12 divisors (see below), whose sum is σ = 191870140. Its totient is φ = 53822880.

The previous prime is 108642889. The next prime is 108642917. The reversal of 108642916 is 619246801.

108642916 = T₈₅₀₉ + T₈₅₁₀ + T₈₅₁₁.

It is a happy number.

108642916 is digitally balanced in base 9, 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 2 ways, for example, as 86118400 + 22524516 = 9280^2 + 4746^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

108642916 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (108642917) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 124155 + ... + 125026.

Almost surely, 2^108642916 is an apocalyptic number.

108642916 is the 8511-st centered triangular number.

It is an amenable number.

108642916 is a deficient number, since it is larger than the sum of its proper divisors (83227224).

108642916 is a wasteful number, since it uses less digits than its factorization.

108642916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249294 (or 249292 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 108642916 is about 10423.1912579593. The cubic root of 108642916 is about 477.1634147466.

The spelling of 108642916 in words is "one hundred eight million, six hundred forty-two thousand, nine hundred sixteen".