199342648992 has 384 divisors, whose sum is σ = 622876262400. Its totient is φ = 55351296000.

The previous prime is 199342648949. The next prime is 199342649017. The reversal of 199342648992 is 299846243991.

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, 27872617 + ... + 27879767.

It is an arithmetic number, because the mean of its divisors is an integer number (1622073600).

Almost surely, 2^199342648992 is an apocalyptic number.

199342648992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199342648992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311438131200).

199342648992 is an abundant number, since it is smaller than the sum of its proper divisors (423533613408).

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

199342648992 is a wasteful number, since it uses less digits than its factorization.

199342648992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7260 (or 7252 counting only the distinct ones).

The product of its digits is 60466176, while the sum is 66.

The spelling of 199342648992 in words is "one hundred ninety-nine billion, three hundred forty-two million, six hundred forty-eight thousand, nine hundred ninety-two".