10566530 has 16 divisors (see below), whose sum is σ = 20483064. Its totient is φ = 3901440.

The previous prime is 10566529. The next prime is 10566533. The reversal of 10566530 is 3566501.

It can be written as a sum of positive squares in 4 ways, for example, as 9296401 + 1270129 = 3049^2 + 1127^2 .

It is a super-2 number, since 2×10566530² = 223303112481800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 10566530.

It is not an unprimeable number, because it can be changed into a prime (10566533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40511 + ... + 40770.

Almost surely, 2^10566530 is an apocalyptic number.

10566530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10566530 is a deficient number, since it is larger than the sum of its proper divisors (9916534).

10566530 is a wasteful number, since it uses less digits than its factorization.

10566530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81301.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 10566530 is about 3250.6199408728. The cubic root of 10566530 is about 219.4374747322.

The spelling of 10566530 in words is "ten million, five hundred sixty-six thousand, five hundred thirty".