99668906 has 8 divisors (see below), whose sum is σ = 154326144. Its totient is φ = 48226860.

The previous prime is 99668897. The next prime is 99668923. The reversal of 99668906 is 60986699.

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

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, 803720 + ... + 803843.

It is an arithmetic number, because the mean of its divisors is an integer number (19290768).

Almost surely, 2^99668906 is an apocalyptic number.

99668906 is a deficient number, since it is larger than the sum of its proper divisors (54657238).

99668906 is a wasteful number, since it uses less digits than its factorization.

99668906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607596.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The square root of 99668906 is about 9983.4315743636. The cubic root of 99668906 is about 463.6460495524.

The spelling of 99668906 in words is "ninety-nine million, six hundred sixty-eight thousand, nine hundred six".