168713953 has 2 divisors, whose sum is σ = 168713954. Its totient is φ = 168713952.

The previous prime is 168713903. The next prime is 168713957. The reversal of 168713953 is 359317861.

168713953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165714129 + 2999824 = 12873^2 + 1732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168713953 is a prime.

It is not a weakly prime, because it can be changed into another prime (168713957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84356976 + 84356977.

It is an arithmetic number, because the mean of its divisors is an integer number (84356977).

Almost surely, 2^168713953 is an apocalyptic number.

It is an amenable number.

168713953 is a deficient number, since it is larger than the sum of its proper divisors (1).

168713953 is an equidigital number, since it uses as much as digits as its factorization.

168713953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 168713953 is about 12988.9935329878. The cubic root of 168713953 is about 552.5653743545.

The spelling of 168713953 in words is "one hundred sixty-eight million, seven hundred thirteen thousand, nine hundred fifty-three".