2162566506 has 8 divisors (see below), whose sum is σ = 4325133024. Its totient is φ = 720855500.

The previous prime is 2162566487. The next prime is 2162566517. The reversal of 2162566506 is 6056652612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2162566506 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 180213870 + ... + 180213881.

It is an arithmetic number, because the mean of its divisors is an integer number (540641628).

Almost surely, 2^2162566506 is an apocalyptic number.

2162566506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2162566506 is a wasteful number, since it uses less digits than its factorization.

2162566506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360427756.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 2162566506 is about 46503.4031657899. The cubic root of 2162566506 is about 1293.1725900385.

The spelling of 2162566506 in words is "two billion, one hundred sixty-two million, five hundred sixty-six thousand, five hundred six".