199916007 has 16 divisors (see below), whose sum is σ = 271721472. Its totient is φ = 130711680.

The previous prime is 199915999. The next prime is 199916027. The reversal of 199916007 is 700619991.

It is not a de Polignac number, because 199916007 - 2³ = 199915999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 199916007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199916027) 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 15 ways as a sum of consecutive naturals, for example, 46378 + ... + 50504.

It is an arithmetic number, because the mean of its divisors is an integer number (16982592).

Almost surely, 2^199916007 is an apocalyptic number.

199916007 is a deficient number, since it is larger than the sum of its proper divisors (71805465).

199916007 is a wasteful number, since it uses less digits than its factorization.

199916007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438.

The product of its (nonzero) digits is 30618, while the sum is 42.

The square root of 199916007 is about 14139.1657108897. The cubic root of 199916007 is about 584.7216705057.

The spelling of 199916007 in words is "one hundred ninety-nine million, nine hundred sixteen thousand, seven".