99336661 has 8 divisors (see below), whose sum is σ = 105888600. Its totient is φ = 92863488.

The previous prime is 99336649. The next prime is 99336667. The reversal of 99336661 is 16663399.

It can be written as a sum of positive squares in 4 ways, for example, as 1425636 + 97911025 = 1194^2 + 9895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99336661 - 2⁷ = 99336533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99336667) 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, 17076 + ... + 22141.

It is an arithmetic number, because the mean of its divisors is an integer number (13236075).

Almost surely, 2^99336661 is an apocalyptic number.

It is an amenable number.

99336661 is a deficient number, since it is larger than the sum of its proper divisors (6551939).

99336661 is a wasteful number, since it uses less digits than its factorization.

99336661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39383.

The product of its digits is 157464, while the sum is 43.

The square root of 99336661 is about 9966.7778644856. Note that the first 3 decimals coincide. The cubic root of 99336661 is about 463.1302900121.

The spelling of 99336661 in words is "ninety-nine million, three hundred thirty-six thousand, six hundred sixty-one".