66116282 has 4 divisors (see below), whose sum is σ = 99174426. Its totient is φ = 33058140.

The previous prime is 66116233. The next prime is 66116287. The reversal of 66116282 is 28261166.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61324561 + 4791721 = 7831^2 + 2189^2 .

It is a super-3 number, since 3×66116282³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (66116287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16529069 + ... + 16529072.

Almost surely, 2^66116282 is an apocalyptic number.

66116282 is a deficient number, since it is larger than the sum of its proper divisors (33058144).

66116282 is a wasteful number, since it uses less digits than its factorization.

66116282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33058143.

The product of its digits is 6912, while the sum is 32.

The square root of 66116282 is about 8131.1919175481. The cubic root of 66116282 is about 404.3611979026.

The spelling of 66116282 in words is "sixty-six million, one hundred sixteen thousand, two hundred eighty-two".