2164664253 has 8 divisors (see below), whose sum is σ = 2907286848. Its totient is φ = 1432575584.

The previous prime is 2164664237. The next prime is 2164664267. The reversal of 2164664253 is 3524664612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2164664253 - 2⁴ = 2164664237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164663253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2633001 + ... + 2633822.

It is an arithmetic number, because the mean of its divisors is an integer number (363410856).

Almost surely, 2^2164664253 is an apocalyptic number.

It is an amenable number.

2164664253 is a deficient number, since it is larger than the sum of its proper divisors (742622595).

2164664253 is a wasteful number, since it uses less digits than its factorization.

2164664253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266963.

The product of its digits is 207360, while the sum is 39.

The square root of 2164664253 is about 46525.9524674133. The cubic root of 2164664253 is about 1293.5905921731.

The spelling of 2164664253 in words is "two billion, one hundred sixty-four million, six hundred sixty-four thousand, two hundred fifty-three".