163889592412 has 96 divisors (see below), whose sum is σ = 361833937920. Its totient is φ = 63213626880.

The previous prime is 163889592407. The next prime is 163889592413. The reversal of 163889592412 is 214295988361.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163889592413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35024289 + ... + 35028967.

It is an arithmetic number, because the mean of its divisors is an integer number (3769103520).

Almost surely, 2^163889592412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163889592412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180916968960).

163889592412 is an abundant number, since it is smaller than the sum of its proper divisors (197944345508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163889592412 is a wasteful number, since it uses less digits than its factorization.

163889592412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7091 (or 7089 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 58.

The spelling of 163889592412 in words is "one hundred sixty-three billion, eight hundred eighty-nine million, five hundred ninety-two thousand, four hundred twelve".