66307113 has 16 divisors (see below), whose sum is σ = 99619200. Its totient is φ = 43580880.

The previous prime is 66307103. The next prime is 66307117. The reversal of 66307113 is 31170366.

It is not a de Polignac number, because 66307113 - 2⁶ = 66307049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66307117) 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, 15378 + ... + 19211.

It is an arithmetic number, because the mean of its divisors is an integer number (6226200).

Almost surely, 2^66307113 is an apocalyptic number.

It is an amenable number.

66307113 is a deficient number, since it is larger than the sum of its proper divisors (33312087).

66307113 is a wasteful number, since it uses less digits than its factorization.

66307113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34669 (or 34663 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 66307113 is about 8142.9179659383. The cubic root of 66307113 is about 404.7498592544.

Adding to 66307113 its reverse (31170366), we get a palindrome (97477479).

The spelling of 66307113 in words is "sixty-six million, three hundred seven thousand, one hundred thirteen".