2164340525316 has 48 divisors (see below), whose sum is σ = 5379999194304. Its totient is φ = 674843083776.

The previous prime is 2164340525311. The next prime is 2164340525383. The reversal of 2164340525316 is 6135250434612.

It is not an unprimeable number, because it can be changed into a prime (2164340525311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32511265 + ... + 32577768.

It is an arithmetic number, because the mean of its divisors is an integer number (112083316548).

Almost surely, 2^{2164340525316} is an apocalyptic number.

It is an amenable number.

2164340525316 is an abundant number, since it is smaller than the sum of its proper divisors (3215658668988).

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

2164340525316 is a wasteful number, since it uses less digits than its factorization.

2164340525316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65089220 (or 65089218 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 2164340525316 its reverse (6135250434612), we get a palindrome (8299590959928).

The spelling of 2164340525316 in words is "two trillion, one hundred sixty-four billion, three hundred forty million, five hundred twenty-five thousand, three hundred sixteen".