199896554298 has 16 divisors (see below), whose sum is σ = 456906409920. Its totient is φ = 57113301216.

The previous prime is 199896554279. The next prime is 199896554321. The reversal of 199896554298 is 892455698991.

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, 2379720843 + ... + 2379720926.

It is an arithmetic number, because the mean of its divisors is an integer number (28556650620).

Almost surely, 2^199896554298 is an apocalyptic number.

199896554298 is an abundant number, since it is smaller than the sum of its proper divisors (257009855622).

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

199896554298 is a wasteful number, since it uses less digits than its factorization.

199896554298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4759441781.

The product of its digits is 503884800, while the sum is 75.

The spelling of 199896554298 in words is "one hundred ninety-nine billion, eight hundred ninety-six million, five hundred fifty-four thousand, two hundred ninety-eight".