10536661 has 4 divisors (see below), whose sum is σ = 10547212. Its totient is φ = 10526112.

The previous prime is 10536653. The next prime is 10536671. The reversal of 10536661 is 16663501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3348900 + 7187761 = 1830^2 + 2681^2 .

It is a cyclic number.

It is not a de Polignac number, because 10536661 - 2³ = 10536653 is a prime.

It is a super-2 number, since 2×10536661² = 222042450057842, 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 (10536671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3600 + ... + 5833.

It is an arithmetic number, because the mean of its divisors is an integer number (2636803).

Almost surely, 2^10536661 is an apocalyptic number.

It is an amenable number.

10536661 is a deficient number, since it is larger than the sum of its proper divisors (10551).

10536661 is an equidigital number, since it uses as much as digits as its factorization.

10536661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10550.

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

The square root of 10536661 is about 3246.0223351049. The cubic root of 10536661 is about 219.2305142155.

The spelling of 10536661 in words is "ten million, five hundred thirty-six thousand, six hundred sixty-one".