99616616 has 32 divisors (see below), whose sum is σ = 204461280. Its totient is φ = 45124800.

The previous prime is 99616613. The next prime is 99616631. The reversal of 99616616 is 61661699.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (99616613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26111 + ... + 29681.

It is an arithmetic number, because the mean of its divisors is an integer number (6389415).

Almost surely, 2^99616616 is an apocalyptic number.

It is an amenable number.

99616616 is an abundant number, since it is smaller than the sum of its proper divisors (104844664).

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

99616616 is a wasteful number, since it uses less digits than its factorization.

99616616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905 (or 3901 counting only the distinct ones).

The product of its digits is 104976, while the sum is 44.

The square root of 99616616 is about 9980.8123917845. The cubic root of 99616616 is about 463.5649534048.

The spelling of 99616616 in words is "ninety-nine million, six hundred sixteen thousand, six hundred sixteen".