162068261 has 2 divisors, whose sum is σ = 162068262. Its totient is φ = 162068260.

The previous prime is 162068219. The next prime is 162068273. The reversal of 162068261 is 162860261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103836100 + 58232161 = 10190^2 + 7631^2 .

It is an emirp because it is prime and its reverse (162860261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162068261 - 2⁶ = 162068197 is a prime.

It is a super-2 number, since 2×162068261² = 52532242447128242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162068761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81034130 + 81034131.

It is an arithmetic number, because the mean of its divisors is an integer number (81034131).

Almost surely, 2^162068261 is an apocalyptic number.

It is an amenable number.

162068261 is a deficient number, since it is larger than the sum of its proper divisors (1).

162068261 is an equidigital number, since it uses as much as digits as its factorization.

162068261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 162068261 is about 12730.6033242734. The cubic root of 162068261 is about 545.2127340540.

The spelling of 162068261 in words is "one hundred sixty-two million, sixty-eight thousand, two hundred sixty-one".