168667097 has 2 divisors, whose sum is σ = 168667098. Its totient is φ = 168667096.

The previous prime is 168667091. The next prime is 168667099. The reversal of 168667097 is 790766861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168376576 + 290521 = 12976^2 + 539^2 .

It is a cyclic number.

It is not a de Polignac number, because 168667097 - 2⁶ = 168667033 is a prime.

It is a super-2 number, since 2×168667097² = 56897179220814818, which contains 22 as substring.

Together with 168667099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (168667091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84333548 + 84333549.

It is an arithmetic number, because the mean of its divisors is an integer number (84333549).

Almost surely, 2^168667097 is an apocalyptic number.

It is an amenable number.

168667097 is a deficient number, since it is larger than the sum of its proper divisors (1).

168667097 is an equidigital number, since it uses as much as digits as its factorization.

168667097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 168667097 is about 12987.1897268039. The cubic root of 168667097 is about 552.5142159689.

The spelling of 168667097 in words is "one hundred sixty-eight million, six hundred sixty-seven thousand, ninety-seven".