6661282 has 4 divisors (see below), whose sum is σ = 9991926. Its totient is φ = 3330640.

The previous prime is 6661279. The next prime is 6661301. The reversal of 6661282 is 2821666.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2821666 = 2 ⋅1410833.

It can be written as a sum of positive squares in only one way, i.e., 3345241 + 3316041 = 1829^2 + 1821^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665319 + ... + 1665322.

Almost surely, 2^6661282 is an apocalyptic number.

6661282 is a deficient number, since it is larger than the sum of its proper divisors (3330644).

6661282 is a wasteful number, since it uses less digits than its factorization.

6661282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330643.

The product of its digits is 6912, while the sum is 31.

The square root of 6661282 is about 2580.9459506158. The cubic root of 6661282 is about 188.1565204742.

The spelling of 6661282 in words is "six million, six hundred sixty-one thousand, two hundred eighty-two".