66008410 has 16 divisors (see below), whose sum is σ = 127955016. Its totient is φ = 24372288.

The previous prime is 66008389. The next prime is 66008417. The reversal of 66008410 is 1480066.

It can be written as a sum of positive squares in 4 ways, for example, as 50112241 + 15896169 = 7079^2 + 3987^2 .

It is a super-2 number, since 2×66008410² = 8714220381456200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66008417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253749 + ... + 254008.

Almost surely, 2^66008410 is an apocalyptic number.

66008410 is a deficient number, since it is larger than the sum of its proper divisors (61946606).

66008410 is a wasteful number, since it uses less digits than its factorization.

66008410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507777.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 66008410 is about 8124.5559878679. Note that the first 3 decimals coincide. The cubic root of 66008410 is about 404.1411663981.

Adding to 66008410 its reverse (1480066), we get a palindrome (67488476).

The spelling of 66008410 in words is "sixty-six million, eight thousand, four hundred ten".