199099108 has 24 divisors (see below), whose sum is σ = 375996600. Its totient is φ = 91703040.

The previous prime is 199099091. The next prime is 199099127. The reversal of 199099108 is 801990991.

199099108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6666724 + 192432384 = 2582^2 + 13872^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23418 + ... + 30766.

It is an arithmetic number, because the mean of its divisors is an integer number (15666525).

Almost surely, 2^199099108 is an apocalyptic number.

It is an amenable number.

199099108 is a deficient number, since it is larger than the sum of its proper divisors (176897492).

199099108 is a wasteful number, since it uses less digits than its factorization.

199099108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7887 (or 7885 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 46.

The square root of 199099108 is about 14110.2483323292. The cubic root of 199099108 is about 583.9241511864.

The spelling of 199099108 in words is "one hundred ninety-nine million, ninety-nine thousand, one hundred eight".