2162873632 has 72 divisors (see below), whose sum is σ = 4520151216. Its totient is φ = 1018444416.

The previous prime is 2162873617. The next prime is 2162873633. The reversal of 2162873632 is 2363782612.

It is not an unprimeable number, because it can be changed into a prime (2162873633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1133223 + ... + 1135129.

It is an arithmetic number, because the mean of its divisors is an integer number (62779878).

Almost surely, 2^2162873632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2162873632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2260075608).

2162873632 is an abundant number, since it is smaller than the sum of its proper divisors (2357277584).

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

2162873632 is a wasteful number, since it uses less digits than its factorization.

2162873632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030 (or 1999 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 2162873632 is about 46506.7052369871. The cubic root of 2162873632 is about 1293.2338055932.

The spelling of 2162873632 in words is "two billion, one hundred sixty-two million, eight hundred seventy-three thousand, six hundred thirty-two".