162230131544 has 64 divisors (see below), whose sum is σ = 345148188000. Its totient is φ = 70867353600.

The previous prime is 162230131523. The next prime is 162230131559. The reversal of 162230131544 is 445131032261.

It is a self number, because there is not a number n which added to its sum of digits gives 162230131544.

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, 2073944 + ... + 2150744.

Almost surely, 2^162230131544 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 162230131544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172574094000).

162230131544 is an abundant number, since it is smaller than the sum of its proper divisors (182918056456).

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

162230131544 is a wasteful number, since it uses less digits than its factorization.

162230131544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77908 (or 77904 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 162230131544 in words is "one hundred sixty-two billion, two hundred thirty million, one hundred thirty-one thousand, five hundred forty-four".