199683071 has 8 divisors (see below), whose sum is σ = 241633440. Its totient is φ = 161088768.

The previous prime is 199683061. The next prime is 199683083. The reversal of 199683071 is 170386991.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199683071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199683031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838886 + ... + 839123.

It is an arithmetic number, because the mean of its divisors is an integer number (30204180).

Almost surely, 2^199683071 is an apocalyptic number.

199683071 is a deficient number, since it is larger than the sum of its proper divisors (41950369).

199683071 is a wasteful number, since it uses less digits than its factorization.

199683071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678033.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 199683071 is about 14130.9260489184. The cubic root of 199683071 is about 584.4944823262.

The spelling of 199683071 in words is "one hundred ninety-nine million, six hundred eighty-three thousand, seventy-one".