5666381748 has 72 divisors (see below), whose sum is σ = 14798784000. Its totient is φ = 1826210880.

The previous prime is 5666381713. The next prime is 5666381783. The reversal of 5666381748 is 8471836665.

It is an interprime number because it is at equal distance from previous prime (5666381713) and next prime (5666381783).

It is a super-2 number, since 2×5666381748² = 64215764228135071008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5666381694 and 5666381703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2059878 + ... + 2062626.

Almost surely, 2^5666381748 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 5666381748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7399392000).

5666381748 is an abundant number, since it is smaller than the sum of its proper divisors (9132402252).

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

5666381748 is a wasteful number, since it uses less digits than its factorization.

5666381748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637 (or 4632 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 5666381748 is about 75275.3727855266. The cubic root of 5666381748 is about 1782.7971998703.

The spelling of 5666381748 in words is "five billion, six hundred sixty-six million, three hundred eighty-one thousand, seven hundred forty-eight".