2162006565 has 16 divisors (see below), whose sum is σ = 3492797568. Its totient is φ = 1141874496.

The previous prime is 2162006551. The next prime is 2162006593. The reversal of 2162006565 is 5656002612.

It is a happy number.

It is not a de Polignac number, because 2162006565 - 2⁷ = 2162006437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 698134 + ... + 701223.

It is an arithmetic number, because the mean of its divisors is an integer number (218299848).

Almost surely, 2^2162006565 is an apocalyptic number.

It is an amenable number.

2162006565 is a deficient number, since it is larger than the sum of its proper divisors (1330791003).

2162006565 is a wasteful number, since it uses less digits than its factorization.

2162006565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399468.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2162006565 is about 46497.3823456762. The cubic root of 2162006565 is about 1293.0609691387.

The spelling of 2162006565 in words is "two billion, one hundred sixty-two million, six thousand, five hundred sixty-five".