162261760 has 72 divisors (see below), whose sum is σ = 392570640. Its totient is φ = 64253952.

The previous prime is 162261751. The next prime is 162261791. The reversal of 162261760 is 67162261.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138939 + ... + 140101.

It is an arithmetic number, because the mean of its divisors is an integer number (5452370).

Almost surely, 2^162261760 is an apocalyptic number.

162261760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162261760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196285320).

162261760 is an abundant number, since it is smaller than the sum of its proper divisors (230308880).

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

162261760 is a wasteful number, since it uses less digits than its factorization.

162261760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 162261760 is about 12738.2008148718. The cubic root of 162261760 is about 545.4296306465.

The spelling of 162261760 in words is "one hundred sixty-two million, two hundred sixty-one thousand, seven hundred sixty".