99198375650 has 48 divisors (see below), whose sum is σ = 201319177248. Its totient is φ = 36065568000.

The previous prime is 99198375643. The next prime is 99198375677. The reversal of 99198375650 is 5657389199.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

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 23 ways as a sum of consecutive naturals, for example, 3821114 + ... + 3846986.

It is an arithmetic number, because the mean of its divisors is an integer number (4194149526).

Almost surely, 2^99198375650 is an apocalyptic number.

99198375650 is an abundant number, since it is smaller than the sum of its proper divisors (102120801598).

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

99198375650 is a wasteful number, since it uses less digits than its factorization.

99198375650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32867 (or 32862 counting only the distinct ones).

The product of its (nonzero) digits is 18370800, while the sum is 62.

The spelling of 99198375650 in words is "ninety-nine billion, one hundred ninety-eight million, three hundred seventy-five thousand, six hundred fifty".