199367968 has 24 divisors (see below), whose sum is σ = 394785468. Its totient is φ = 99105024.

The previous prime is 199367963. The next prime is 199367981. The reversal of 199367968 is 869763991.

It can be written as a sum of positive squares in 2 ways, for example, as 190771344 + 8596624 = 13812^2 + 2932^2 .

It is not an unprimeable number, because it can be changed into a prime (199367963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12471 + ... + 23542.

Almost surely, 2^199367968 is an apocalyptic number.

It is an amenable number.

199367968 is a deficient number, since it is larger than the sum of its proper divisors (195417500).

199367968 is a wasteful number, since it uses less digits than its factorization.

199367968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36196 (or 36188 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 58.

The square root of 199367968 is about 14119.7722361234. The cubic root of 199367968 is about 584.1868733295.

The spelling of 199367968 in words is "one hundred ninety-nine million, three hundred sixty-seven thousand, nine hundred sixty-eight".