99668106 has 24 divisors (see below), whose sum is σ = 220544064. Its totient is φ = 32515560.

The previous prime is 99668081. The next prime is 99668111. The reversal of 99668106 is 60186699.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58060 + ... + 59751.

It is an arithmetic number, because the mean of its divisors is an integer number (9189336).

Almost surely, 2^99668106 is an apocalyptic number.

99668106 is an abundant number, since it is smaller than the sum of its proper divisors (120875958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99668106 is a wasteful number, since it uses less digits than its factorization.

99668106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117866 (or 117863 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 99668106 is about 9983.3915078995. The cubic root of 99668106 is about 463.6448090524.

The spelling of 99668106 in words is "ninety-nine million, six hundred sixty-eight thousand, one hundred six".