66360513 has 16 divisors (see below), whose sum is σ = 89768000. Its totient is φ = 43600896.

The previous prime is 66360479. The next prime is 66360517. The reversal of 66360513 is 31506366.

66360513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66360513 - 2⁹ = 66360001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66360517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132738 + ... + 133236.

It is an arithmetic number, because the mean of its divisors is an integer number (5610500).

Almost surely, 2^66360513 is an apocalyptic number.

It is an amenable number.

66360513 is a deficient number, since it is larger than the sum of its proper divisors (23407487).

66360513 is a wasteful number, since it uses less digits than its factorization.

66360513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 66360513 is about 8146.1962289157. The cubic root of 66360513 is about 404.8584843172.

Adding to 66360513 its reverse (31506366), we get a palindrome (97866879).

The spelling of 66360513 in words is "sixty-six million, three hundred sixty thousand, five hundred thirteen".