2078218170 has 96 divisors (see below), whose sum is σ = 6183785088. Its totient is φ = 474367104.

The previous prime is 2078218151. The next prime is 2078218171. The reversal of 2078218170 is 718128702.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2078218171) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 569592 + ... + 573228.

It is an arithmetic number, because the mean of its divisors is an integer number (64414428).

Almost surely, 2^2078218170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2078218170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3091892544).

2078218170 is an abundant number, since it is smaller than the sum of its proper divisors (4105566918).

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

2078218170 is a wasteful number, since it uses less digits than its factorization.

2078218170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564 (or 4561 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 2078218170 is about 45587.4782149660. The cubic root of 2078218170 is about 1276.1362512269.

The spelling of 2078218170 in words is "two billion, seventy-eight million, two hundred eighteen thousand, one hundred seventy".