199103299956760 has 128 divisors (see below), whose sum is σ = 469144130273280. Its totient is φ = 75979219051008.

The previous prime is 199103299956731. The next prime is 199103299956761. The reversal of 199103299956760 is 67659992301991.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199103299956761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15431577 + ... + 25225783.

It is an arithmetic number, because the mean of its divisors is an integer number (3665188517760).

Almost surely, 2^{199103299956760} is an apocalyptic number.

199103299956760 is a gapful number since it is divisible by the number (10) 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 199103299956760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234572065136640).

199103299956760 is an abundant number, since it is smaller than the sum of its proper divisors (270040830316520).

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

199103299956760 is a wasteful number, since it uses less digits than its factorization.

199103299956760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9794537 (or 9794533 counting only the distinct ones).

The product of its (nonzero) digits is 446410440, while the sum is 76.

The spelling of 199103299956760 in words is "one hundred ninety-nine trillion, one hundred three billion, two hundred ninety-nine million, nine hundred fifty-six thousand, seven hundred sixty".