5668861264 has 80 divisors (see below), whose sum is σ = 12172792320. Its totient is φ = 2536030080.

The previous prime is 5668861249. The next prime is 5668861271. The reversal of 5668861264 is 4621688665.

Its product of digits (3317760) is a multiple of the sum of its prime factors (2048).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3244039 + ... + 3245785.

It is an arithmetic number, because the mean of its divisors is an integer number (152159904).

Almost surely, 2^5668861264 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 5668861264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6086396160).

5668861264 is an abundant number, since it is smaller than the sum of its proper divisors (6503931056).

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

5668861264 is a wasteful number, since it uses less digits than its factorization.

5668861264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048 (or 2042 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The square root of 5668861264 is about 75291.8406203488. The cubic root of 5668861264 is about 1783.0572029175.

The spelling of 5668861264 in words is "five billion, six hundred sixty-eight million, eight hundred sixty-one thousand, two hundred sixty-four".