162665423 has 2 divisors, whose sum is σ = 162665424. Its totient is φ = 162665422.

The previous prime is 162665383. The next prime is 162665429. The reversal of 162665423 is 324566261.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162665423 - 2¹⁶ = 162599887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162665429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81332711 + 81332712.

It is an arithmetic number, because the mean of its divisors is an integer number (81332712).

Almost surely, 2^162665423 is an apocalyptic number.

162665423 is a deficient number, since it is larger than the sum of its proper divisors (1).

162665423 is an equidigital number, since it uses as much as digits as its factorization.

162665423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 162665423 is about 12754.0355574226. The cubic root of 162665423 is about 545.8815494860.

The spelling of 162665423 in words is "one hundred sixty-two million, six hundred sixty-five thousand, four hundred twenty-three".