5666697 has 12 divisors (see below), whose sum is σ = 8207940. Its totient is φ = 3767328.

The previous prime is 5666681. The next prime is 5666701. The reversal of 5666697 is 7966665.

It can be written as a sum of positive squares in 2 ways, for example, as 4447881 + 1218816 = 2109^2 + 1104^2 .

It is not a de Polignac number, because 5666697 - 2⁴ = 5666681 is a prime.

It is a super-2 number, since 2×5666697² = 64222909779618, which contains 22 as substring.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (5666677) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3963 + ... + 5199.

It is an arithmetic number, because the mean of its divisors is an integer number (683995).

Almost surely, 2^5666697 is an apocalyptic number.

It is an amenable number.

5666697 is a deficient number, since it is larger than the sum of its proper divisors (2541243).

5666697 is a wasteful number, since it uses less digits than its factorization.

5666697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752 (or 1749 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 5666697 is about 2380.4825141135. The cubic root of 5666697 is about 178.2830261530.

Subtracting 5666697 from its reverse (7966665), we obtain a cube (2299968 = 132³).

The spelling of 5666697 in words is "five million, six hundred sixty-six thousand, six hundred ninety-seven".