199694366 has 8 divisors (see below), whose sum is σ = 299907984. Its totient is φ = 99725040.

The previous prime is 199694357. The next prime is 199694401. The reversal of 199694366 is 663496991.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59015 + ... + 62306.

It is an arithmetic number, because the mean of its divisors is an integer number (37488498).

Almost surely, 2^199694366 is an apocalyptic number.

199694366 is a deficient number, since it is larger than the sum of its proper divisors (100213618).

199694366 is a wasteful number, since it uses less digits than its factorization.

199694366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122146.

The product of its digits is 1889568, while the sum is 53.

The square root of 199694366 is about 14131.3256986031. The cubic root of 199694366 is about 584.5055026907.

The spelling of 199694366 in words is "one hundred ninety-nine million, six hundred ninety-four thousand, three hundred sixty-six".