99668097 has 16 divisors (see below), whose sum is σ = 147810880. Its totient is φ = 66375936.

The previous prime is 99668081. The next prime is 99668111. The reversal of 99668097 is 79086699.

It is not a de Polignac number, because 99668097 - 2⁴ = 99668081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99668017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46113 + ... + 48225.

It is an arithmetic number, because the mean of its divisors is an integer number (9238180).

Almost surely, 2^99668097 is an apocalyptic number.

It is an amenable number.

99668097 is a deficient number, since it is larger than the sum of its proper divisors (48142783).

99668097 is a wasteful number, since it uses less digits than its factorization.

99668097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869 (or 3863 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 99668097 is about 9983.3910571509. The cubic root of 99668097 is about 463.6447950967.

The spelling of 99668097 in words is "ninety-nine million, six hundred sixty-eight thousand, ninety-seven".