99321610 has 16 divisors (see below), whose sum is σ = 181229256. Its totient is φ = 39184128.

The previous prime is 99321601. The next prime is 99321619. The reversal of 99321610 is 1612399.

It is an interprime number because it is at equal distance from previous prime (99321601) and next prime (99321619).

It can be written as a sum of positive squares in 4 ways, for example, as 61732449 + 37589161 = 7857^2 + 6131^2 .

It is not an unprimeable number, because it can be changed into a prime (99321619) 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, 67299 + ... + 68758.

Almost surely, 2^99321610 is an apocalyptic number.

99321610 is a deficient number, since it is larger than the sum of its proper divisors (81907646).

99321610 is a wasteful number, since it uses less digits than its factorization.

99321610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136137.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 99321610 is about 9966.0227774173. The cubic root of 99321610 is about 463.1068984264.

The spelling of 99321610 in words is "ninety-nine million, three hundred twenty-one thousand, six hundred ten".