163055489885 has 16 divisors (see below), whose sum is σ = 207200347056. Its totient is φ = 122756994048.

The previous prime is 163055489803. The next prime is 163055489899. The reversal of 163055489885 is 588984550361.

It can be written as a sum of positive squares in 8 ways, for example, as 7663426681 + 155392063204 = 87541^2 + 394198^2 .

It is a cyclic number.

It is not a de Polignac number, because 163055489885 - 2²⁶ = 162988381021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659687 + ... + 872523.

It is an arithmetic number, because the mean of its divisors is an integer number (12950021691).

Almost surely, 2^163055489885 is an apocalyptic number.

It is an amenable number.

163055489885 is a deficient number, since it is larger than the sum of its proper divisors (44144857171).

163055489885 is a wasteful number, since it uses less digits than its factorization.

163055489885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221872.

The product of its (nonzero) digits is 41472000, while the sum is 62.

The spelling of 163055489885 in words is "one hundred sixty-three billion, fifty-five million, four hundred eighty-nine thousand, eight hundred eighty-five".