109906568 has 16 divisors (see below), whose sum is σ = 211101660. Its totient is φ = 53612800.

The previous prime is 109906561. The next prime is 109906571. The reversal of 109906568 is 865609901.

It can be written as a sum of positive squares in 2 ways, for example, as 87647044 + 22259524 = 9362^2 + 4718^2 .

It is not an unprimeable number, because it can be changed into a prime (109906561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167213 + ... + 167868.

Almost surely, 2^109906568 is an apocalyptic number.

It is an amenable number.

109906568 is a deficient number, since it is larger than the sum of its proper divisors (101195092).

109906568 is a wasteful number, since it uses less digits than its factorization.

109906568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335128 (or 335124 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 109906568 is about 10483.6333396395. The cubic root of 109906568 is about 479.0062891160.

The spelling of 109906568 in words is "one hundred nine million, nine hundred six thousand, five hundred sixty-eight".