168956063 has 2 divisors, whose sum is σ = 168956064. Its totient is φ = 168956062.

The previous prime is 168956009. The next prime is 168956083. The reversal of 168956063 is 360659861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168956063 - 2¹⁸ = 168693919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168956083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84478031 + 84478032.

It is an arithmetic number, because the mean of its divisors is an integer number (84478032).

Almost surely, 2^168956063 is an apocalyptic number.

168956063 is a deficient number, since it is larger than the sum of its proper divisors (1).

168956063 is an equidigital number, since it uses as much as digits as its factorization.

168956063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 168956063 is about 12998.3100055353. The cubic root of 168956063 is about 552.8295644382.

The spelling of 168956063 in words is "one hundred sixty-eight million, nine hundred fifty-six thousand, sixty-three".