2162293644 has 24 divisors (see below), whose sum is σ = 5766116608. Its totient is φ = 617798160.

The previous prime is 2162293643. The next prime is 2162293663. The reversal of 2162293644 is 4463922612.

It is not an unprimeable number, because it can be changed into a prime (2162293643) 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, 12870712 + ... + 12870879.

Almost surely, 2^2162293644 is an apocalyptic number.

It is an amenable number.

2162293644 is an abundant number, since it is smaller than the sum of its proper divisors (3603822964).

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

2162293644 is a wasteful number, since it uses less digits than its factorization.

2162293644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25741605 (or 25741603 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 2162293644 is about 46500.4692879545. The cubic root of 2162293644 is about 1293.1181990329.

The spelling of 2162293644 in words is "two billion, one hundred sixty-two million, two hundred ninety-three thousand, six hundred forty-four".