5666880080 has 20 divisors (see below), whose sum is σ = 13175496372. Its totient is φ = 2266752000.

The previous prime is 5666880031. The next prime is 5666880083. The reversal of 5666880080 is 800886665.

It can be written as a sum of positive squares in 2 ways, for example, as 2763394624 + 2903485456 = 52568^2 + 53884^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×5666880080² = 64227059682201612800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666880083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35417921 + ... + 35418080.

Almost surely, 2^5666880080 is an apocalyptic number.

It is an amenable number.

5666880080 is an abundant number, since it is smaller than the sum of its proper divisors (7508616292).

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

5666880080 is a wasteful number, since it uses less digits than its factorization.

5666880080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70836014 (or 70836008 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 5666880080 is about 75278.6827727478. The cubic root of 5666880080 is about 1782.8494612539.

The spelling of 5666880080 in words is "five billion, six hundred sixty-six million, eight hundred eighty thousand, eighty".