168796669 has 2 divisors, whose sum is σ = 168796670. Its totient is φ = 168796668.

The previous prime is 168796601. The next prime is 168796687. The reversal of 168796669 is 966697861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168013444 + 783225 = 12962^2 + 885^2 .

It is a cyclic number.

It is not a de Polignac number, because 168796669 - 2⁷ = 168796541 is a prime.

It is a super-2 number, since 2×168796669² = 56984630930991122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168794669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84398334 + 84398335.

It is an arithmetic number, because the mean of its divisors is an integer number (84398335).

Almost surely, 2^168796669 is an apocalyptic number.

It is an amenable number.

168796669 is a deficient number, since it is larger than the sum of its proper divisors (1).

168796669 is an equidigital number, since it uses as much as digits as its factorization.

168796669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 58.

The square root of 168796669 is about 12992.1772232371. The cubic root of 168796669 is about 552.6556623424.

The spelling of 168796669 in words is "one hundred sixty-eight million, seven hundred ninety-six thousand, six hundred sixty-nine".