199959662 has 8 divisors (see below), whose sum is σ = 342788016. Its totient is φ = 85696992.

The previous prime is 199959653. The next prime is 199959707. The reversal of 199959662 is 266959991.

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

It is a junction number, because it is equal to n+sod(n) for n = 199959598 and 199959607.

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, 7141403 + ... + 7141430.

It is an arithmetic number, because the mean of its divisors is an integer number (42848502).

Almost surely, 2^199959662 is an apocalyptic number.

199959662 is a deficient number, since it is larger than the sum of its proper divisors (142828354).

199959662 is a wasteful number, since it uses less digits than its factorization.

199959662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14282842.

The product of its digits is 2361960, while the sum is 56.

The square root of 199959662 is about 14140.7093881460. The cubic root of 199959662 is about 584.7642286565.

The spelling of 199959662 in words is "one hundred ninety-nine million, nine hundred fifty-nine thousand, six hundred sixty-two".