163254737227 has 2 divisors, whose sum is σ = 163254737228. Its totient is φ = 163254737226.

The previous prime is 163254737203. The next prime is 163254737249. The reversal of 163254737227 is 722737452361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163254737227 is a prime.

It is not a weakly prime, because it can be changed into another prime (163254737027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81627368613 + 81627368614.

It is an arithmetic number, because the mean of its divisors is an integer number (81627368614).

Almost surely, 2^163254737227 is an apocalyptic number.

163254737227 is a deficient number, since it is larger than the sum of its proper divisors (1).

163254737227 is an equidigital number, since it uses as much as digits as its factorization.

163254737227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 49.

The spelling of 163254737227 in words is "one hundred sixty-three billion, two hundred fifty-four million, seven hundred thirty-seven thousand, two hundred twenty-seven".