162564223 has 2 divisors, whose sum is σ = 162564224. Its totient is φ = 162564222.

The previous prime is 162564167. The next prime is 162564229. The reversal of 162564223 is 322465261.

162564223 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162564223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162564229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81282111 + 81282112.

It is an arithmetic number, because the mean of its divisors is an integer number (81282112).

Almost surely, 2^162564223 is an apocalyptic number.

162564223 is a deficient number, since it is larger than the sum of its proper divisors (1).

162564223 is an equidigital number, since it uses as much as digits as its factorization.

162564223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 162564223 is about 12750.0675684484. The cubic root of 162564223 is about 545.7683218313.

The spelling of 162564223 in words is "one hundred sixty-two million, five hundred sixty-four thousand, two hundred twenty-three".