99818656 has 24 divisors (see below), whose sum is σ = 224592480. Its totient is φ = 42779328.

The previous prime is 99818651. The next prime is 99818657. The reversal of 99818656 is 65681899.

It is not an unprimeable number, because it can be changed into a prime (99818651) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 222586 + ... + 223033.

It is an arithmetic number, because the mean of its divisors is an integer number (9358020).

Almost surely, 2^99818656 is an apocalyptic number.

It is an amenable number.

99818656 is an abundant number, since it is smaller than the sum of its proper divisors (124773824).

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

99818656 is a wasteful number, since it uses less digits than its factorization.

99818656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445636 (or 445628 counting only the distinct ones).

The product of its digits is 933120, while the sum is 52.

The square root of 99818656 is about 9990.9286855627. The cubic root of 99818656 is about 463.8781388266.

The spelling of 99818656 in words is "ninety-nine million, eight hundred eighteen thousand, six hundred fifty-six".