2162236164 has 48 divisors (see below), whose sum is σ = 5743180800. Its totient is φ = 626734240.

The previous prime is 2162236159. The next prime is 2162236199. The reversal of 2162236164 is 4616322612.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nude number because it is divisible by every one of its digits.

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, 353064 + ... + 359135.

It is an arithmetic number, because the mean of its divisors is an integer number (119649600).

Almost surely, 2^2162236164 is an apocalyptic number.

It is an amenable number.

2162236164 is an abundant number, since it is smaller than the sum of its proper divisors (3580944636).

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

2162236164 is a wasteful number, since it uses less digits than its factorization.

2162236164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712240 (or 712238 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 2162236164 is about 46499.8512255685. The cubic root of 2162236164 is about 1293.1067406612.

Adding to 2162236164 its reverse (4616322612), we get a palindrome (6778558776).

The spelling of 2162236164 in words is "two billion, one hundred sixty-two million, two hundred thirty-six thousand, one hundred sixty-four".