99818616 has 32 divisors (see below), whose sum is σ = 253065600. Its totient is φ = 32803680.

The previous prime is 99818569. The next prime is 99818617. The reversal of 99818616 is 61681899.

It is a super-2 number, since 2×99818616² = 19927512200310912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99818617) 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, 27586 + ... + 30993.

It is an arithmetic number, because the mean of its divisors is an integer number (7908300).

Almost surely, 2^99818616 is an apocalyptic number.

It is an amenable number.

99818616 is an abundant number, since it is smaller than the sum of its proper divisors (153246984).

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

99818616 is a wasteful number, since it uses less digits than its factorization.

99818616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58659 (or 58655 counting only the distinct ones).

The product of its digits is 186624, while the sum is 48.

The square root of 99818616 is about 9990.9266837466. The cubic root of 99818616 is about 463.8780768638.

The spelling of 99818616 in words is "ninety-nine million, eight hundred eighteen thousand, six hundred sixteen".