162663623 has 2 divisors, whose sum is σ = 162663624. Its totient is φ = 162663622.

The previous prime is 162663587. The next prime is 162663689. The reversal of 162663623 is 326366261.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162663623 is a prime.

It is a super-2 number, since 2×162663623² = 52918908494972258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162663223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81331811 + 81331812.

It is an arithmetic number, because the mean of its divisors is an integer number (81331812).

Almost surely, 2^162663623 is an apocalyptic number.

162663623 is a deficient number, since it is larger than the sum of its proper divisors (1).

162663623 is an equidigital number, since it uses as much as digits as its factorization.

162663623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 35.

The square root of 162663623 is about 12753.9649913272. The cubic root of 162663623 is about 545.8795359656.

The spelling of 162663623 in words is "one hundred sixty-two million, six hundred sixty-three thousand, six hundred twenty-three".