99816133 has 2 divisors, whose sum is σ = 99816134. Its totient is φ = 99816132.

The previous prime is 99816107. The next prime is 99816137. The reversal of 99816133 is 33161899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89434849 + 10381284 = 9457^2 + 3222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99816133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99816137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49908066 + 49908067.

It is an arithmetic number, because the mean of its divisors is an integer number (49908067).

Almost surely, 2^99816133 is an apocalyptic number.

It is an amenable number.

99816133 is a deficient number, since it is larger than the sum of its proper divisors (1).

99816133 is an equidigital number, since it uses as much as digits as its factorization.

99816133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 40.

The square root of 99816133 is about 9990.8024202263. The cubic root of 99816133 is about 463.8742304910.

The spelling of 99816133 in words is "ninety-nine million, eight hundred sixteen thousand, one hundred thirty-three".