2164801896 has 96 divisors (see below), whose sum is σ = 6388056000. Its totient is φ = 679133952.

The previous prime is 2164801823. The next prime is 2164801901. The reversal of 2164801896 is 6981084612.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45085 + ... + 79763.

It is an arithmetic number, because the mean of its divisors is an integer number (66542250).

Almost surely, 2^2164801896 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 2164801896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3194028000).

2164801896 is an abundant number, since it is smaller than the sum of its proper divisors (4223254104).

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

2164801896 is a wasteful number, since it uses less digits than its factorization.

2164801896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34728 (or 34701 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 2164801896 is about 46527.4316505865. The cubic root of 2164801896 is about 1293.6180098071.

The spelling of 2164801896 in words is "two billion, one hundred sixty-four million, eight hundred one thousand, eight hundred ninety-six".