162780944 has 40 divisors (see below), whose sum is σ = 327400920. Its totient is φ = 78310400.

The previous prime is 162780931. The next prime is 162780953. The reversal of 162780944 is 449087261.

162780944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 473344 + 162307600 = 688^2 + 12740^2 .

It is a super-2 number, since 2×162780944² = 52995271459062272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213524 + ... + 214284.

It is an arithmetic number, because the mean of its divisors is an integer number (8185023).

Almost surely, 2^162780944 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 162780944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163700460).

162780944 is an abundant number, since it is smaller than the sum of its proper divisors (164619976).

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

162780944 is a wasteful number, since it uses less digits than its factorization.

162780944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259 (or 1253 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 162780944 is about 12758.5635555105. The cubic root of 162780944 is about 546.0107428104.

The spelling of 162780944 in words is "one hundred sixty-two million, seven hundred eighty thousand, nine hundred forty-four".