161256523462227 has 24 divisors (see below), whose sum is σ = 234418919462000. Its totient is φ = 106817527441728.

The previous prime is 161256523462169. The next prime is 161256523462247. The reversal of 161256523462227 is 722264325652161.

161256523462227 is a `hidden beast` number, since 1 + 6 + 1 + 2 + 5 + 6 + 5 + 2 + 3 + 4 + 622 + 2 + 7 = 666.

It is not a de Polignac number, because 161256523462227 - 2¹⁶ = 161256523396691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161256523462247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89816452 + ... + 91594257.

Almost surely, 2^{161256523462227} is an apocalyptic number.

161256523462227 is a deficient number, since it is larger than the sum of its proper divisors (73162395999773).

161256523462227 is a wasteful number, since it uses less digits than its factorization.

161256523462227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181411347 (or 181411344 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 161256523462227 in words is "one hundred sixty-one trillion, two hundred fifty-six billion, five hundred twenty-three million, four hundred sixty-two thousand, two hundred twenty-seven".