168826243 has 2 divisors, whose sum is σ = 168826244. Its totient is φ = 168826242.

The previous prime is 168826183. The next prime is 168826249. The reversal of 168826243 is 342628861.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168826243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168826196 and 168826205.

It is not a weakly prime, because it can be changed into another prime (168826249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84413121 + 84413122.

It is an arithmetic number, because the mean of its divisors is an integer number (84413122).

Almost surely, 2^168826243 is an apocalyptic number.

168826243 is a deficient number, since it is larger than the sum of its proper divisors (1).

168826243 is an equidigital number, since it uses as much as digits as its factorization.

168826243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 40.

The square root of 168826243 is about 12993.3153198096. The cubic root of 168826243 is about 552.6879364471.

The spelling of 168826243 in words is "one hundred sixty-eight million, eight hundred twenty-six thousand, two hundred forty-three".