2645338163 has 16 divisors (see below), whose sum is σ = 2921184000. Its totient is φ = 2379947520.

The previous prime is 2645338127. The next prime is 2645338207. The reversal of 2645338163 is 3618335462.

2645338163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2645338163 - 2³⁰ = 1571596339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2645338163.

It is not an unprimeable number, because it can be changed into a prime (2645338763) 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, 765263 + ... + 768711.

It is an arithmetic number, because the mean of its divisors is an integer number (182574000).

Almost surely, 2^2645338163 is an apocalyptic number.

2645338163 is a deficient number, since it is larger than the sum of its proper divisors (275845837).

2645338163 is a wasteful number, since it uses less digits than its factorization.

2645338163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4942.

The product of its digits is 311040, while the sum is 41.

The square root of 2645338163 is about 51432.8510098361. The cubic root of 2645338163 is about 1383.0155583746.

The spelling of 2645338163 in words is "two billion, six hundred forty-five million, three hundred thirty-eight thousand, one hundred sixty-three".