168893107 has 2 divisors, whose sum is σ = 168893108. Its totient is φ = 168893106.

The previous prime is 168893099. The next prime is 168893119. The reversal of 168893107 is 701398861.

It is a weak prime.

It is an emirp because it is prime and its reverse (701398861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168893107 - 2³ = 168893099 is a prime.

It is a super-2 number, since 2×168893107² = 57049763184226898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (168893407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84446553 + 84446554.

It is an arithmetic number, because the mean of its divisors is an integer number (84446554).

Almost surely, 2^168893107 is an apocalyptic number.

168893107 is a deficient number, since it is larger than the sum of its proper divisors (1).

168893107 is an equidigital number, since it uses as much as digits as its factorization.

168893107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 168893107 is about 12995.8880804661. Note that the first 3 decimals coincide. The cubic root of 168893107 is about 552.7608912357.

The spelling of 168893107 in words is "one hundred sixty-eight million, eight hundred ninety-three thousand, one hundred seven".