10566997 has 6 divisors (see below), whose sum is σ = 12292278. Its totient is φ = 9057384.

The previous prime is 10566989. The next prime is 10567003. The reversal of 10566997 is 79966501.

10566997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10458756 + 108241 = 3234^2 + 329^2 .

It is not a de Polignac number, because 10566997 - 2³ = 10566989 is a prime.

It is a super-2 number, since 2×10566997² = 223322851196018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10566917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107778 + ... + 107875.

It is an arithmetic number, because the mean of its divisors is an integer number (2048713).

Almost surely, 2^10566997 is an apocalyptic number.

It is an amenable number.

10566997 is a deficient number, since it is larger than the sum of its proper divisors (1725281).

10566997 is an equidigital number, since it uses as much as digits as its factorization.

10566997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215667 (or 215660 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 10566997 is about 3250.6917725309. The cubic root of 10566997 is about 219.4407074488.

The spelling of 10566997 in words is "ten million, five hundred sixty-six thousand, nine hundred ninety-seven".