199622713852806 has 32 divisors (see below), whose sum is σ = 399948721663968. Its totient is φ = 66423730728960.

The previous prime is 199622713852801. The next prime is 199622713852829. The reversal of 199622713852806 is 608258317226991.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199622713852801) 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 15 ways as a sum of consecutive naturals, for example, 13907580 + ... + 24344736.

It is an arithmetic number, because the mean of its divisors is an integer number (12498397551999).

Almost surely, 2^{199622713852806} is an apocalyptic number.

199622713852806 is an abundant number, since it is smaller than the sum of its proper divisors (200326007811162).

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

199622713852806 is a wasteful number, since it uses less digits than its factorization.

199622713852806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10442776.

The product of its (nonzero) digits is 156764160, while the sum is 69.

The spelling of 199622713852806 in words is "one hundred ninety-nine trillion, six hundred twenty-two billion, seven hundred thirteen million, eight hundred fifty-two thousand, eight hundred six".