2305621164 has 96 divisors (see below), whose sum is σ = 6741504000. Its totient is φ = 595805760.

The previous prime is 2305621163. The next prime is 2305621169. The reversal of 2305621164 is 4611265032.

It is not an unprimeable number, because it can be changed into a prime (2305621163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177607 + ... + 190145.

It is an arithmetic number, because the mean of its divisors is an integer number (70224000).

Almost surely, 2^2305621164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2305621164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3370752000).

2305621164 is an abundant number, since it is smaller than the sum of its proper divisors (4435882836).

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

2305621164 is a wasteful number, since it uses less digits than its factorization.

2305621164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12763 (or 12761 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2305621164 is about 48016.8841554718. The cubic root of 2305621164 is about 1321.0806050309.

Adding to 2305621164 its reverse (4611265032), we get a palindrome (6916886196).

The spelling of 2305621164 in words is "two billion, three hundred five million, six hundred twenty-one thousand, one hundred sixty-four".