99816611 has 2 divisors, whose sum is σ = 99816612. Its totient is φ = 99816610.

The previous prime is 99816601. The next prime is 99816697. The reversal of 99816611 is 11661899.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99816611 - 2¹⁰ = 99815587 is a prime.

It is not a weakly prime, because it can be changed into another prime (99816601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49908305 + 49908306.

It is an arithmetic number, because the mean of its divisors is an integer number (49908306).

Almost surely, 2^99816611 is an apocalyptic number.

99816611 is a deficient number, since it is larger than the sum of its proper divisors (1).

99816611 is an equidigital number, since it uses as much as digits as its factorization.

99816611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 41.

The square root of 99816611 is about 9990.8263422001. The cubic root of 99816611 is about 463.8749709576.

The spelling of 99816611 in words is "ninety-nine million, eight hundred sixteen thousand, six hundred eleven".