199407346608 has 20 divisors (see below), whose sum is σ = 515135645528. Its totient is φ = 66469115520.

The previous prime is 199407346603. The next prime is 199407346609. The reversal of 199407346608 is 806643704991.

It is not an unprimeable number, because it can be changed into a prime (199407346601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2077159813 + ... + 2077159908.

Almost surely, 2^199407346608 is an apocalyptic number.

It is an amenable number.

199407346608 is an abundant number, since it is smaller than the sum of its proper divisors (315728298920).

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

199407346608 is a wasteful number, since it uses less digits than its factorization.

199407346608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154319732 (or 4154319726 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 199407346608 in words is "one hundred ninety-nine billion, four hundred seven million, three hundred forty-six thousand, six hundred eight".