10556066 has 4 divisors (see below), whose sum is σ = 15834102. Its totient is φ = 5278032.

The previous prime is 10556053. The next prime is 10556069. The reversal of 10556066 is 66065501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8826841 + 1729225 = 2971^2 + 1315^2 .

It is a super-2 number, since 2×10556066² = 222861058792712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10556069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639015 + ... + 2639018.

Almost surely, 2^10556066 is an apocalyptic number.

10556066 is a deficient number, since it is larger than the sum of its proper divisors (5278036).

10556066 is an equidigital number, since it uses as much as digits as its factorization.

10556066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278035.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 10556066 is about 3249.0100030625. The cubic root of 10556066 is about 219.3650147375.

The spelling of 10556066 in words is "ten million, five hundred fifty-six thousand, sixty-six".