163529481623 has 2 divisors, whose sum is σ = 163529481624. Its totient is φ = 163529481622.

The previous prime is 163529481571. The next prime is 163529481671. The reversal of 163529481623 is 326184925361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163529481623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163529481673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81764740811 + 81764740812.

It is an arithmetic number, because the mean of its divisors is an integer number (81764740812).

Almost surely, 2^163529481623 is an apocalyptic number.

163529481623 is a deficient number, since it is larger than the sum of its proper divisors (1).

163529481623 is an equidigital number, since it uses as much as digits as its factorization.

163529481623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 50.

The spelling of 163529481623 in words is "one hundred sixty-three billion, five hundred twenty-nine million, four hundred eighty-one thousand, six hundred twenty-three".