99413665 has 16 divisors (see below), whose sum is σ = 130027968. Its totient is φ = 72524736.

The previous prime is 99413641. The next prime is 99413687. The reversal of 99413665 is 56631499.

It is a de Polignac number, because none of the positive numbers 2^k-99413665 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3819 + ... + 14608.

It is an arithmetic number, because the mean of its divisors is an integer number (8126748).

Almost surely, 2^99413665 is an apocalyptic number.

It is an amenable number.

99413665 is a deficient number, since it is larger than the sum of its proper divisors (30614303).

99413665 is a wasteful number, since it uses less digits than its factorization.

99413665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18528.

The product of its digits is 174960, while the sum is 43.

The square root of 99413665 is about 9970.6401499603. The cubic root of 99413665 is about 463.2499292047.

The spelling of 99413665 in words is "ninety-nine million, four hundred thirteen thousand, six hundred sixty-five".