5966681 has 12 divisors (see below), whose sum is σ = 6982272. Its totient is φ = 5083848.

The previous prime is 5966669. The next prime is 5966693. The reversal of 5966681 is 1866695.

It is an interprime number because it is at equal distance from previous prime (5966669) and next prime (5966693).

It is a de Polignac number, because none of the positive numbers 2^k-5966681 is a prime.

It is a super-2 number, since 2×5966681² = 71202564311522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5966651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12656 + ... + 13118.

It is an arithmetic number, because the mean of its divisors is an integer number (581856).

Almost surely, 2^5966681 is an apocalyptic number.

It is an amenable number.

5966681 is a deficient number, since it is larger than the sum of its proper divisors (1015591).

5966681 is a wasteful number, since it uses less digits than its factorization.

5966681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 733 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 5966681 is about 2442.6790620137. The cubic root of 5966681 is about 181.3750756190.

The spelling of 5966681 in words is "five million, nine hundred sixty-six thousand, six hundred eighty-one".