2806163664 has 80 divisors (see below), whose sum is σ = 7418572800. Its totient is φ = 913742208.

The previous prime is 2806163653. The next prime is 2806163687. The reversal of 2806163664 is 4663616082.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458577 + ... + 464655.

It is an arithmetic number, because the mean of its divisors is an integer number (92732160).

Almost surely, 2^2806163664 is an apocalyptic number.

2806163664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2806163664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3709286400).

2806163664 is an abundant number, since it is smaller than the sum of its proper divisors (4612409136).

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

2806163664 is a wasteful number, since it uses less digits than its factorization.

2806163664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312 (or 6306 counting only the distinct ones).

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

The square root of 2806163664 is about 52973.2353552244. The cubic root of 2806163664 is about 1410.4932070685.

The spelling of 2806163664 in words is "two billion, eight hundred six million, one hundred sixty-three thousand, six hundred sixty-four".