2164868514 has 24 divisors (see below), whose sum is σ = 4894486272. Its totient is φ = 690247800.

The previous prime is 2164868507. The next prime is 2164868561. The reversal of 2164868514 is 4158684612.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2164868514.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2614162 + ... + 2614989.

It is an arithmetic number, because the mean of its divisors is an integer number (203936928).

Almost surely, 2^2164868514 is an apocalyptic number.

2164868514 is an abundant number, since it is smaller than the sum of its proper divisors (2729617758).

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

2164868514 is a wasteful number, since it uses less digits than its factorization.

2164868514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229182 (or 5229179 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 2164868514 is about 46528.1475453300. The cubic root of 2164868514 is about 1293.6312792831.

The spelling of 2164868514 in words is "two billion, one hundred sixty-four million, eight hundred sixty-eight thousand, five hundred fourteen".