168199682 has 16 divisors (see below), whose sum is σ = 288807552. Its totient is φ = 71969280.

The previous prime is 168199657. The next prime is 168199697. The reversal of 168199682 is 286991861.

It is a happy number.

It is a super-2 number, since 2×168199682² = 56582266049802248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 168199682.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398 + ... + 18345.

It is an arithmetic number, because the mean of its divisors is an integer number (18050472).

Almost surely, 2^168199682 is an apocalyptic number.

168199682 is a deficient number, since it is larger than the sum of its proper divisors (120607870).

168199682 is a wasteful number, since it uses less digits than its factorization.

168199682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19393.

The product of its digits is 373248, while the sum is 50.

The square root of 168199682 is about 12969.1820096720. The cubic root of 168199682 is about 552.0033628060.

The spelling of 168199682 in words is "one hundred sixty-eight million, one hundred ninety-nine thousand, six hundred eighty-two".