162856144 has 80 divisors (see below), whose sum is σ = 374261760. Its totient is φ = 67824000.

The previous prime is 162856117. The next prime is 162856159. The reversal of 162856144 is 441658261.

162856144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 102879 + ... + 104449.

It is an arithmetic number, because the mean of its divisors is an integer number (4678272).

Almost surely, 2^162856144 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 162856144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187130880).

162856144 is an abundant number, since it is smaller than the sum of its proper divisors (211405616).

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

162856144 is a wasteful number, since it uses less digits than its factorization.

162856144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640 (or 1634 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 162856144 is about 12761.5102554517. The cubic root of 162856144 is about 546.0948101580.

The spelling of 162856144 in words is "one hundred sixty-two million, eight hundred fifty-six thousand, one hundred forty-four".