162322644 has 48 divisors (see below), whose sum is σ = 417231360. Its totient is φ = 48707040.

The previous prime is 162322619. The next prime is 162322651. The reversal of 162322644 is 446223261.

162322644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

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, 7627 + ... + 19565.

It is an arithmetic number, because the mean of its divisors is an integer number (8692320).

Almost surely, 2^162322644 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 162322644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208615680).

162322644 is an abundant number, since it is smaller than the sum of its proper divisors (254908716).

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

162322644 is a wasteful number, since it uses less digits than its factorization.

162322644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12060 (or 12058 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 162322644 is about 12740.5904101812. The cubic root of 162322644 is about 545.4978409775.

It can be divided in two parts, 162 and 322644, that added together give a triangular number (322806 = T₈₀₃).

The spelling of 162322644 in words is "one hundred sixty-two million, three hundred twenty-two thousand, six hundred forty-four".