199574216 has 8 divisors (see below), whose sum is σ = 374201670. Its totient is φ = 99787104.

The previous prime is 199574209. The next prime is 199574231. The reversal of 199574216 is 612475991.

It can be written as a sum of positive squares in only one way, i.e., 183494116 + 16080100 = 13546^2 + 4010^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12473381 + ... + 12473396.

Almost surely, 2^199574216 is an apocalyptic number.

It is an amenable number.

199574216 is a deficient number, since it is larger than the sum of its proper divisors (174627454).

199574216 is a wasteful number, since it uses less digits than its factorization.

199574216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24946783 (or 24946779 counting only the distinct ones).

The product of its digits is 136080, while the sum is 44.

The square root of 199574216 is about 14127.0738654542. The cubic root of 199574216 is about 584.3882528036.

The spelling of 199574216 in words is "one hundred ninety-nine million, five hundred seventy-four thousand, two hundred sixteen".