199204219756801 has 64 divisors (see below), whose sum is σ = 243872072478720. Its totient is φ = 158919486485760.

The previous prime is 199204219756747. The next prime is 199204219756819. The reversal of 199204219756801 is 108657912402991.

It is not a de Polignac number, because 199204219756801 - 2¹⁷ = 199204219625729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199204219756301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5145913836 + ... + 5145952546.

It is an arithmetic number, because the mean of its divisors is an integer number (3810501132480).

Almost surely, 2^{199204219756801} is an apocalyptic number.

It is an amenable number.

199204219756801 is a deficient number, since it is larger than the sum of its proper divisors (44667852721919).

199204219756801 is a wasteful number, since it uses less digits than its factorization.

199204219756801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40334.

The product of its (nonzero) digits is 19595520, while the sum is 64.

The spelling of 199204219756801 in words is "one hundred ninety-nine trillion, two hundred four billion, two hundred nineteen million, seven hundred fifty-six thousand, eight hundred one".