99951169828 has 24 divisors (see below), whose sum is σ = 184570323840. Its totient is φ = 47265620160.

The previous prime is 99951169817. The next prime is 99951169841. The reversal of 99951169828 is 82896115999.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6095328 + ... + 6111703.

It is an arithmetic number, because the mean of its divisors is an integer number (7690430160).

Almost surely, 2^99951169828 is an apocalyptic number.

It is an amenable number.

99951169828 is a deficient number, since it is larger than the sum of its proper divisors (84619154012).

99951169828 is a wasteful number, since it uses less digits than its factorization.

99951169828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12207147 (or 12207145 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 67.

The spelling of 99951169828 in words is "ninety-nine billion, nine hundred fifty-one million, one hundred sixty-nine thousand, eight hundred twenty-eight".