168196983 has 4 divisors (see below), whose sum is σ = 224262648. Its totient is φ = 112131320.

The previous prime is 168196957. The next prime is 168196993. The reversal of 168196983 is 389691861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 168196983 - 2⁹ = 168196471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168196993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28032828 + ... + 28032833.

It is an arithmetic number, because the mean of its divisors is an integer number (56065662).

Almost surely, 2^168196983 is an apocalyptic number.

168196983 is a deficient number, since it is larger than the sum of its proper divisors (56065665).

168196983 is an equidigital number, since it uses as much as digits as its factorization.

168196983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56065664.

The product of its digits is 559872, while the sum is 51.

The square root of 168196983 is about 12969.0779548895. The cubic root of 168196983 is about 552.0004102339. Note that the first 3 decimals are identical.

The spelling of 168196983 in words is "one hundred sixty-eight million, one hundred ninety-six thousand, nine hundred eighty-three".