168930269 has 2 divisors, whose sum is σ = 168930270. Its totient is φ = 168930268.

The previous prime is 168930263. The next prime is 168930283. The reversal of 168930269 is 962039861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159719044 + 9211225 = 12638^2 + 3035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168930269 is a prime.

It is a super-2 number, since 2×168930269² = 57074871568824722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168930263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84465134 + 84465135.

It is an arithmetic number, because the mean of its divisors is an integer number (84465135).

Almost surely, 2^168930269 is an apocalyptic number.

It is an amenable number.

168930269 is a deficient number, since it is larger than the sum of its proper divisors (1).

168930269 is an equidigital number, since it uses as much as digits as its factorization.

168930269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 168930269 is about 12997.3177617538. The cubic root of 168930269 is about 552.8014300794.

The spelling of 168930269 in words is "one hundred sixty-eight million, nine hundred thirty thousand, two hundred sixty-nine".