2162563946 has 16 divisors (see below), whose sum is σ = 3297762720. Its totient is φ = 1063455600.

The previous prime is 2162563943. The next prime is 2162563951. The reversal of 2162563946 is 6493652612.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2162563897 and 2162563906.

It is not an unprimeable number, because it can be changed into a prime (2162563943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6605 + ... + 66096.

It is an arithmetic number, because the mean of its divisors is an integer number (206110170).

Almost surely, 2^2162563946 is an apocalyptic number.

2162563946 is a deficient number, since it is larger than the sum of its proper divisors (1135198774).

2162563946 is a wasteful number, since it uses less digits than its factorization.

2162563946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72949.

The product of its digits is 466560, while the sum is 44.

The square root of 2162563946 is about 46503.3756409145. The cubic root of 2162563946 is about 1293.1720797616.

The spelling of 2162563946 in words is "two billion, one hundred sixty-two million, five hundred sixty-three thousand, nine hundred forty-six".