99925966 has 32 divisors (see below), whose sum is σ = 183218112. Its totient is φ = 39897600.

The previous prime is 99925957. The next prime is 99925993. The reversal of 99925966 is 66952999.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21960 + ... + 26116.

It is an arithmetic number, because the mean of its divisors is an integer number (5725566).

Almost surely, 2^99925966 is an apocalyptic number.

99925966 is a deficient number, since it is larger than the sum of its proper divisors (83292146).

99925966 is a wasteful number, since it uses less digits than its factorization.

99925966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284.

The product of its digits is 2361960, while the sum is 55.

The square root of 99925966 is about 9996.2976146171. The cubic root of 99925966 is about 464.0443099530.

The spelling of 99925966 in words is "ninety-nine million, nine hundred twenty-five thousand, nine hundred sixty-six".