2162061280 has 24 divisors (see below), whose sum is σ = 5107870152. Its totient is φ = 864824448.

The previous prime is 2162061271. The next prime is 2162061329. The reversal of 2162061280 is 821602612.

2162061280 is digitally balanced in base 2, 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 3 ways as a sum of consecutive naturals, for example, 6756282 + ... + 6756601.

It is an arithmetic number, because the mean of its divisors is an integer number (212827923).

Almost surely, 2^2162061280 is an apocalyptic number.

2162061280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2162061280 is an abundant number, since it is smaller than the sum of its proper divisors (2945808872).

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

2162061280 is a wasteful number, since it uses less digits than its factorization.

2162061280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13512898 (or 13512890 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2162061280 is about 46497.9707084083. The cubic root of 2162061280 is about 1293.0718770973.

Adding to 2162061280 its reverse (821602612), we get a palindrome (2983663892).

The spelling of 2162061280 in words is "two billion, one hundred sixty-two million, sixty-one thousand, two hundred eighty".