199996110720 has 1024 divisors, whose sum is σ = 847203840000. Its totient is φ = 44544245760.

The previous prime is 199996110709. The next prime is 199996110757. The reversal of 199996110720 is 27011699991.

199996110720 is a `hidden beast` number, since 19 + 9 + 9 + 9 + 611 + 0 + 7 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 243008229 + ... + 243009051.

It is an arithmetic number, because the mean of its divisors is an integer number (827347500).

Almost surely, 2^199996110720 is an apocalyptic number.

199996110720 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 199996110720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423601920000).

199996110720 is an abundant number, since it is smaller than the sum of its proper divisors (647207729280).

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

199996110720 is an equidigital number, since it uses as much as digits as its factorization.

199996110720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 54.

The spelling of 199996110720 in words is "one hundred ninety-nine billion, nine hundred ninety-six million, one hundred ten thousand, seven hundred twenty".