2631306164 has 12 divisors (see below), whose sum is σ = 4753327488. Its totient is φ = 1273212600.

The previous prime is 2631306127. The next prime is 2631306169. The reversal of 2631306164 is 4616031362.

It is a self number, because there is not a number n which added to its sum of digits gives 2631306164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631306169) 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 3 ways as a sum of consecutive naturals, for example, 10609982 + ... + 10610229.

It is an arithmetic number, because the mean of its divisors is an integer number (396110624).

Almost surely, 2^2631306164 is an apocalyptic number.

It is an amenable number.

2631306164 is a deficient number, since it is larger than the sum of its proper divisors (2122021324).

2631306164 is a wasteful number, since it uses less digits than its factorization.

2631306164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21220246 (or 21220244 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 2631306164 is about 51296.2587719611. The cubic root of 2631306164 is about 1380.5658542022.

The spelling of 2631306164 in words is "two billion, six hundred thirty-one million, three hundred six thousand, one hundred sixty-four".