109599568 has 40 divisors (see below), whose sum is σ = 229382888. Its totient is φ = 50429952.

The previous prime is 109599563. The next prime is 109599569. The reversal of 109599568 is 865995901.

It can be written as a sum of positive squares in 4 ways, for example, as 30603024 + 78996544 = 5532^2 + 8888^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109599563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94480 + ... + 95632.

Almost surely, 2^109599568 is an apocalyptic number.

It is an amenable number.

109599568 is an abundant number, since it is smaller than the sum of its proper divisors (119783320).

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

109599568 is a wasteful number, since it uses less digits than its factorization.

109599568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 52.

The square root of 109599568 is about 10468.9812302822. The cubic root of 109599568 is about 478.5598733762.

The spelling of 109599568 in words is "one hundred nine million, five hundred ninety-nine thousand, five hundred sixty-eight".