66380282 has 4 divisors (see below), whose sum is σ = 99570426. Its totient is φ = 33190140.

The previous prime is 66380267. The next prime is 66380297. The reversal of 66380282 is 28208366.

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

It is an interprime number because it is at equal distance from previous prime (66380267) and next prime (66380297).

It can be written as a sum of positive squares in only one way, i.e., 63027721 + 3352561 = 7939^2 + 1831^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16595069 + ... + 16595072.

Almost surely, 2^66380282 is an apocalyptic number.

66380282 is a deficient number, since it is larger than the sum of its proper divisors (33190144).

66380282 is a wasteful number, since it uses less digits than its factorization.

66380282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33190143.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 66380282 is about 8147.4095269601. The cubic root of 66380282 is about 404.8986831864.

The spelling of 66380282 in words is "sixty-six million, three hundred eighty thousand, two hundred eighty-two".