2162458172 has 48 divisors (see below), whose sum is σ = 4559009280. Its totient is φ = 876744000.

The previous prime is 2162458169. The next prime is 2162458189. The reversal of 2162458172 is 2718542612.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 434297 + ... + 439247.

It is an arithmetic number, because the mean of its divisors is an integer number (94979360).

Almost surely, 2^2162458172 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 2162458172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2279504640).

2162458172 is an abundant number, since it is smaller than the sum of its proper divisors (2396551108).

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

2162458172 is a wasteful number, since it uses less digits than its factorization.

2162458172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5802 (or 5800 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 2162458172 is about 46502.2383547287. The cubic root of 2162458172 is about 1293.1509958049.

The spelling of 2162458172 in words is "two billion, one hundred sixty-two million, four hundred fifty-eight thousand, one hundred seventy-two".