99116005 has 4 divisors (see below), whose sum is σ = 118939212. Its totient is φ = 79292800.

The previous prime is 99115987. The next prime is 99116023. The reversal of 99116005 is 50061199.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (99115987) and next prime (99116023).

It can be written as a sum of positive squares in 2 ways, for example, as 42068196 + 57047809 = 6486^2 + 7553^2 .

It is not a de Polignac number, because 99116005 - 2⁹ = 99115493 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9911596 + ... + 9911605.

It is an arithmetic number, because the mean of its divisors is an integer number (29734803).

Almost surely, 2^99116005 is an apocalyptic number.

It is an amenable number.

99116005 is a deficient number, since it is larger than the sum of its proper divisors (19823207).

99116005 is a wasteful number, since it uses less digits than its factorization.

99116005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19823206.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 99116005 is about 9955.7021349576. The cubic root of 99116005 is about 462.7871195039.

The spelling of 99116005 in words is "ninety-nine million, one hundred sixteen thousand, five".