2162043256 has 16 divisors (see below), whose sum is σ = 4060265040. Its totient is φ = 1079305920.

The previous prime is 2162043251. The next prime is 2162043271. The reversal of 2162043256 is 6523402612.

It is a super-3 number, since 3×2162043256³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162043251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209101 + ... + 219196.

It is an arithmetic number, because the mean of its divisors is an integer number (253766565).

Almost surely, 2^2162043256 is an apocalyptic number.

It is an amenable number.

2162043256 is a deficient number, since it is larger than the sum of its proper divisors (1898221784).

2162043256 is a wasteful number, since it uses less digits than its factorization.

2162043256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428934 (or 428930 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2162043256 is about 46497.7768930946. The cubic root of 2162043256 is about 1293.0682838608.

Adding to 2162043256 its reverse (6523402612), we get a palindrome (8685445868).

The spelling of 2162043256 in words is "two billion, one hundred sixty-two million, forty-three thousand, two hundred fifty-six".