66513114 has 12 divisors (see below), whose sum is σ = 144111786. Its totient is φ = 22171032.

The previous prime is 66513113. The next prime is 66513121. The reversal of 66513114 is 41131566.

66513114 is a `hidden beast` number, since 6 + 651 + 3 + 1 + 1 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34398225 + 32114889 = 5865^2 + 5667^2 .

It is not an unprimeable number, because it can be changed into a prime (66513113) 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 5 ways as a sum of consecutive naturals, for example, 1847569 + ... + 1847604.

Almost surely, 2^66513114 is an apocalyptic number.

66513114 is an abundant number, since it is smaller than the sum of its proper divisors (77598672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66513114 is a wasteful number, since it uses less digits than its factorization.

66513114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695181 (or 3695178 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 66513114 is about 8155.5572464425. The cubic root of 66513114 is about 405.1685809388.

The spelling of 66513114 in words is "sixty-six million, five hundred thirteen thousand, one hundred fourteen".