199499795716 has 81 divisors (see below), whose sum is σ = 388418751903. Its totient is φ = 89616658560.

The previous prime is 199499795687. The next prime is 199499795743. The reversal of 199499795716 is 617597994991.

The square root of 199499795716 is 446654.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 132882120900 + 66617674816 = 364530^2 + 258104^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 476132955 + ... + 476133373.

Almost surely, 2^199499795716 is an apocalyptic number.

199499795716 is the 446654-th square number.

It is an amenable number.

199499795716 is a deficient number, since it is larger than the sum of its proper divisors (188918956187).

199499795716 is an equidigital number, since it uses as much as digits as its factorization.

199499795716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 475 counting only the distinct ones).

The product of its digits is 347208120, while the sum is 76.

The spelling of 199499795716 in words is "one hundred ninety-nine billion, four hundred ninety-nine million, seven hundred ninety-five thousand, seven hundred sixteen".