163055489793 has 12 divisors (see below), whose sum is σ = 252902392560. Its totient is φ = 93174565512.

The previous prime is 163055489791. The next prime is 163055489801. The reversal of 163055489793 is 397984550361.

It is not a de Polignac number, because 163055489793 - 2¹ = 163055489791 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163055489791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 554610363 + ... + 554610656.

It is an arithmetic number, because the mean of its divisors is an integer number (21075199380).

Almost surely, 2^163055489793 is an apocalyptic number.

It is an amenable number.

163055489793 is a deficient number, since it is larger than the sum of its proper divisors (89846902767).

163055489793 is a wasteful number, since it uses less digits than its factorization.

163055489793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109221036 (or 1109221029 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 163055489793 in words is "one hundred sixty-three billion, fifty-five million, four hundred eighty-nine thousand, seven hundred ninety-three".