199946997020848 has 320 divisors, whose sum is σ = 509796399513600. Its totient is φ = 73600265502720.

The previous prime is 199946997020839. The next prime is 199946997020861. The reversal of 199946997020848 is 848020799649991.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14681467383 + ... + 14681481001.

It is an arithmetic number, because the mean of its divisors is an integer number (1593113748480).

Almost surely, 2^{199946997020848} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199946997020848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254898199756800).

199946997020848 is an abundant number, since it is smaller than the sum of its proper divisors (309849402492752).

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

199946997020848 is a wasteful number, since it uses less digits than its factorization.

199946997020848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15328 (or 15322 counting only the distinct ones).

The product of its (nonzero) digits is 5079158784, while the sum is 85.

The spelling of 199946997020848 in words is "one hundred ninety-nine trillion, nine hundred forty-six billion, nine hundred ninety-seven million, twenty thousand, eight hundred forty-eight".