10561641 has 16 divisors (see below), whose sum is σ = 15277248. Its totient is φ = 6464000.

The previous prime is 10561633. The next prime is 10561643. The reversal of 10561641 is 14616501.

It is a cyclic number.

It is not a de Polignac number, because 10561641 - 2³ = 10561633 is a prime.

It is a super-2 number, since 2×10561641² = 223096521225762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10561643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435 + ... + 4616.

It is an arithmetic number, because the mean of its divisors is an integer number (954828).

Almost surely, 2^10561641 is an apocalyptic number.

It is an amenable number.

10561641 is a deficient number, since it is larger than the sum of its proper divisors (4715607).

10561641 is a wasteful number, since it uses less digits than its factorization.

10561641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 10561641 is about 3249.8678434669. The cubic root of 10561641 is about 219.4036258617.

The spelling of 10561641 in words is "ten million, five hundred sixty-one thousand, six hundred forty-one".