10566631 has 2 divisors, whose sum is σ = 10566632. Its totient is φ = 10566630.

The previous prime is 10566617. The next prime is 10566649. The reversal of 10566631 is 13666501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10566631 - 2¹⁷ = 10435559 is a prime.

It is a super-2 number, since 2×10566631² = 223307381380322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10566631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10546631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5283315 + 5283316.

It is an arithmetic number, because the mean of its divisors is an integer number (5283316).

Almost surely, 2^10566631 is an apocalyptic number.

10566631 is a deficient number, since it is larger than the sum of its proper divisors (1).

10566631 is an equidigital number, since it uses as much as digits as its factorization.

10566631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 10566631 is about 3250.6354763338. The cubic root of 10566631 is about 219.4381738931.

The spelling of 10566631 in words is "ten million, five hundred sixty-six thousand, six hundred thirty-one".