1006520566 has 8 divisors (see below), whose sum is σ = 1531045584. Its totient is φ = 496172040.

The previous prime is 1006520539. The next prime is 1006520579. The reversal of 1006520566 is 6650256001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3543945 + ... + 3544228.

It is an arithmetic number, because the mean of its divisors is an integer number (191380698).

Almost surely, 2^1006520566 is an apocalyptic number.

1006520566 is a deficient number, since it is larger than the sum of its proper divisors (524525018).

1006520566 is an equidigital number, since it uses as much as digits as its factorization.

1006520566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7088246.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1006520566 is about 31725.7082820857. The cubic root of 1006520566 is about 1002.1688148417.

Adding to 1006520566 its reverse (6650256001), we get a palindrome (7656776567).

The spelling of 1006520566 in words is "one billion, six million, five hundred twenty thousand, five hundred sixty-six".