66200313 has 16 divisors (see below), whose sum is σ = 93208320. Its totient is φ = 41677776.

The previous prime is 66200297. The next prime is 66200327. The reversal of 66200313 is 31300266.

It is not a de Polignac number, because 66200313 - 2⁴ = 66200297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66200313.

It is not an unprimeable number, because it can be changed into a prime (66200383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18106 + ... + 21452.

It is an arithmetic number, because the mean of its divisors is an integer number (5825520).

Almost surely, 2^66200313 is an apocalyptic number.

It is an amenable number.

66200313 is a deficient number, since it is larger than the sum of its proper divisors (27008007).

66200313 is a wasteful number, since it uses less digits than its factorization.

66200313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 66200313 is about 8136.3574773974. The cubic root of 66200313 is about 404.5324340425.

Adding to 66200313 its reverse (31300266), we get a palindrome (97500579).

The spelling of 66200313 in words is "sixty-six million, two hundred thousand, three hundred thirteen".