13146544422 has 96 divisors (see below), whose sum is σ = 32292449280. Its totient is φ = 3828807360.

The previous prime is 13146544403. The next prime is 13146544423. The reversal of 13146544422 is 22444564131.

13146544422 is a `hidden beast` number, since 1 + 31 + 46 + 544 + 42 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13146544423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1275333 + ... + 1285599.

It is an arithmetic number, because the mean of its divisors is an integer number (336379680).

Almost surely, 2^13146544422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13146544422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16146224640).

13146544422 is an abundant number, since it is smaller than the sum of its proper divisors (19145904858).

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

13146544422 is a wasteful number, since it uses less digits than its factorization.

13146544422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10538 (or 10535 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The spelling of 13146544422 in words is "thirteen billion, one hundred forty-six million, five hundred forty-four thousand, four hundred twenty-two".