108123664 has 30 divisors (see below), whose sum is σ = 230269550. Its totient is φ = 49146240.

The previous prime is 108123643. The next prime is 108123679. The reversal of 108123664 is 466321801.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 104203264 + 3920400 = 10208^2 + 1980^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25989 + ... + 29860.

Almost surely, 2^108123664 is an apocalyptic number.

It is an amenable number.

108123664 is an abundant number, since it is smaller than the sum of its proper divisors (122145886).

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

108123664 is a wasteful number, since it uses less digits than its factorization.

108123664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55879 (or 55862 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 108123664 is about 10398.2529301801. The cubic root of 108123664 is about 476.4020095590.

The spelling of 108123664 in words is "one hundred eight million, one hundred twenty-three thousand, six hundred sixty-four".