199498797153608 has 16 divisors (see below), whose sum is σ = 374676488897280. Its totient is φ = 99585066781008.

The previous prime is 199498797153587. The next prime is 199498797153611. The reversal of 199498797153608 is 806351797894991.

It is a happy number.

199498797153608 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 199498797153608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20541469316 + ... + 20541479027.

It is an arithmetic number, because the mean of its divisors is an integer number (23417280556080).

Almost surely, 2^{199498797153608} is an apocalyptic number.

It is an amenable number.

199498797153608 is a deficient number, since it is larger than the sum of its proper divisors (175177691743672).

199498797153608 is a wasteful number, since it uses less digits than its factorization.

199498797153608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41082948956 (or 41082948952 counting only the distinct ones).

The product of its (nonzero) digits is 7407106560, while the sum is 86.

The spelling of 199498797153608 in words is "one hundred ninety-nine trillion, four hundred ninety-eight billion, seven hundred ninety-seven million, one hundred fifty-three thousand, six hundred eight".