163455112456 has 8 divisors (see below), whose sum is σ = 306478335870. Its totient is φ = 81727556224.

The previous prime is 163455112397. The next prime is 163455112459. The reversal of 163455112456 is 654211554361.

It can be written as a sum of positive squares in only one way, i.e., 91863548100 + 71591564356 = 303090^2 + 267566^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (163455112459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10215944521 + ... + 10215944536.

Almost surely, 2^163455112456 is an apocalyptic number.

It is an amenable number.

163455112456 is a deficient number, since it is larger than the sum of its proper divisors (143023223414).

163455112456 is a wasteful number, since it uses less digits than its factorization.

163455112456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20431889063 (or 20431889059 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The spelling of 163455112456 in words is "one hundred sixty-three billion, four hundred fifty-five million, one hundred twelve thousand, four hundred fifty-six".