2165710000 has 50 divisors (see below), whose sum is σ = 5243424692. Its totient is φ = 866280000.

The previous prime is 2165709983. The next prime is 2165710013. The reversal of 2165710000 is 175612.

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 98286 + ... + 118285.

Almost surely, 2^2165710000 is an apocalyptic number.

2165710000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2165710000 is an abundant number, since it is smaller than the sum of its proper divisors (3077714692).

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

2165710000 is an equidigital number, since it uses as much as digits as its factorization.

2165710000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216599 (or 216578 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 2165710000 is about 46537.1894295304. The cubic root of 2165710000 is about 1293.7988693840.

Adding to 2165710000 its reverse (175612), we get a palindrome (2165885612).

The spelling of 2165710000 in words is "two billion, one hundred sixty-five million, seven hundred ten thousand".