2162640826 has 16 divisors (see below), whose sum is σ = 3393558144. Its totient is φ = 1031692464.

The previous prime is 2162640797. The next prime is 2162640853. The reversal of 2162640826 is 6280462612.

2162640826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 40950 + ... + 77473.

It is an arithmetic number, because the mean of its divisors is an integer number (212097384).

Almost surely, 2^2162640826 is an apocalyptic number.

2162640826 is a deficient number, since it is larger than the sum of its proper divisors (1230917318).

2162640826 is a wasteful number, since it uses less digits than its factorization.

2162640826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118845.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 2162640826 is about 46504.2022402277. The cubic root of 2162640826 is about 1293.1874038389.

The spelling of 2162640826 in words is "two billion, one hundred sixty-two million, six hundred forty thousand, eight hundred twenty-six".