2636806164 has 24 divisors (see below), whose sum is σ = 6161988000. Its totient is φ = 877586784.

The previous prime is 2636806163. The next prime is 2636806171. The reversal of 2636806164 is 4616086362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2636806163) 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, 160414 + ... + 176085.

It is an arithmetic number, because the mean of its divisors is an integer number (256749500).

Almost surely, 2^2636806164 is an apocalyptic number.

It is an amenable number.

2636806164 is an abundant number, since it is smaller than the sum of its proper divisors (3525181836).

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

2636806164 is a wasteful number, since it uses less digits than its factorization.

2636806164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337159 (or 337157 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 2636806164 is about 51349.8409345151. The cubic root of 2636806164 is about 1381.5270787099.

The spelling of 2636806164 in words is "two billion, six hundred thirty-six million, eight hundred six thousand, one hundred sixty-four".