10066543 has 4 divisors (see below), whose sum is σ = 10073520. Its totient is φ = 10059568.

The previous prime is 10066487. The next prime is 10066559. The reversal of 10066543 is 34566001.

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 is a cyclic number.

It is not a de Polignac number, because 10066543 - 2²¹ = 7969391 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a nialpdrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10066583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430 + ... + 4507.

It is an arithmetic number, because the mean of its divisors is an integer number (2518380).

Almost surely, 2^10066543 is an apocalyptic number.

10066543 is a deficient number, since it is larger than the sum of its proper divisors (6977).

10066543 is an equidigital number, since it uses as much as digits as its factorization.

10066543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6976.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 10066543 is about 3172.7815871881. The cubic root of 10066543 is about 215.9202880881.

It can be divided in two parts, 10066 and 543, that added together give a square (10609 = 103²).

The spelling of 10066543 in words is "ten million, sixty-six thousand, five hundred forty-three".