99661652 has 24 divisors (see below), whose sum is σ = 184434432. Its totient is φ = 47044800.

The previous prime is 99661607. The next prime is 99661663. The reversal of 99661652 is 25616699.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4718 + ... + 14885.

It is an arithmetic number, because the mean of its divisors is an integer number (7684768).

Almost surely, 2^99661652 is an apocalyptic number.

It is an amenable number.

99661652 is a deficient number, since it is larger than the sum of its proper divisors (84772780).

99661652 is a wasteful number, since it uses less digits than its factorization.

99661652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19679 (or 19677 counting only the distinct ones).

The product of its digits is 174960, while the sum is 44.

The square root of 99661652 is about 9983.0682658189. The cubic root of 99661652 is about 463.6348010759.

The spelling of 99661652 in words is "ninety-nine million, six hundred sixty-one thousand, six hundred fifty-two".