156163663 has 2 divisors, whose sum is σ = 156163664. Its totient is φ = 156163662.

The previous prime is 156163633. The next prime is 156163681. The reversal of 156163663 is 366361651.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-156163663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156163613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78081831 + 78081832.

It is an arithmetic number, because the mean of its divisors is an integer number (78081832).

Almost surely, 2^156163663 is an apocalyptic number.

156163663 is a deficient number, since it is larger than the sum of its proper divisors (1).

156163663 is an equidigital number, since it uses as much as digits as its factorization.

156163663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 37.

The square root of 156163663 is about 12496.5460428072. The cubic root of 156163663 is about 538.5094502689.

The spelling of 156163663 in words is "one hundred fifty-six million, one hundred sixty-three thousand, six hundred sixty-three".