99556656675 has 48 divisors (see below), whose sum is σ = 188428273152. Its totient is φ = 45435744000.

The previous prime is 99556656649. The next prime is 99556656791. The reversal of 99556656675 is 57665665599.

It is a Cunningham number, because it is equal to 315526²-1.

It is not a de Polignac number, because 99556656675 - 2⁷ = 99556656547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157762 + ... + 473288.

It is an arithmetic number, because the mean of its divisors is an integer number (3925589024).

Almost surely, 2^99556656675 is an apocalyptic number.

99556656675 is a deficient number, since it is larger than the sum of its proper divisors (88871616477).

99556656675 is a wasteful number, since it uses less digits than its factorization.

99556656675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316148 (or 316143 counting only the distinct ones).

The product of its digits is 459270000, while the sum is 69.

The spelling of 99556656675 in words is "ninety-nine billion, five hundred fifty-six million, six hundred fifty-six thousand, six hundred seventy-five".