99599616 has 108 divisors (see below), whose sum is σ = 290166240. Its totient is φ = 32855040.

The previous prime is 99599609. The next prime is 99599629. The reversal of 99599616 is 61699599.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 320101 + ... + 320411.

Almost surely, 2^99599616 is an apocalyptic number.

99599616 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99599616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145083120).

99599616 is an abundant number, since it is smaller than the sum of its proper divisors (190566624).

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

99599616 is a wasteful number, since it uses less digits than its factorization.

99599616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 455 counting only the distinct ones).

The product of its digits is 1180980, while the sum is 54.

The square root of 99599616 is about 9979.9607213656. The cubic root of 99599616 is about 463.5385821264.

The spelling of 99599616 in words is "ninety-nine million, five hundred ninety-nine thousand, six hundred sixteen".