199916763 has 8 divisors (see below), whose sum is σ = 267325248. Its totient is φ = 132893064.

The previous prime is 199916747. The next prime is 199916777. The reversal of 199916763 is 367619991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 199916763 - 2⁴ = 199916747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199916263) 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 7 ways as a sum of consecutive naturals, for example, 94981 + ... + 97062.

It is an arithmetic number, because the mean of its divisors is an integer number (33415656).

Almost surely, 2^199916763 is an apocalyptic number.

199916763 is a deficient number, since it is larger than the sum of its proper divisors (67408485).

199916763 is a wasteful number, since it uses less digits than its factorization.

199916763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192393.

The product of its digits is 551124, while the sum is 51.

The square root of 199916763 is about 14139.1924451151. The cubic root of 199916763 is about 584.7224075636.

The spelling of 199916763 in words is "one hundred ninety-nine million, nine hundred sixteen thousand, seven hundred sixty-three".