199091016960 has 144 divisors (see below), whose sum is σ = 693651349440. Its totient is φ = 48264478720.

The previous prime is 199091016937. The next prime is 199091016997. The reversal of 199091016960 is 69610190991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2314425 + ... + 2398904.

It is an arithmetic number, because the mean of its divisors is an integer number (4817023260).

Almost surely, 2^199091016960 is an apocalyptic number.

199091016960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199091016960 is an abundant number, since it is smaller than the sum of its proper divisors (494560332480).

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

199091016960 is a wasteful number, since it uses less digits than its factorization.

199091016960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713364 (or 4713350 counting only the distinct ones).

The product of its (nonzero) digits is 236196, while the sum is 51.

The spelling of 199091016960 in words is "one hundred ninety-nine billion, ninety-one million, sixteen thousand, nine hundred sixty".