3166281 has 12 divisors (see below), whose sum is σ = 4608240. Its totient is φ = 2094840.

The previous prime is 3166279. The next prime is 3166283. The reversal of 3166281 is 1826613.

3166281 is a `hidden beast` number, since 31 + 6 + 628 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (3166279) and next prime (3166283).

It is not a de Polignac number, because 3166281 - 2¹ = 3166279 is a prime.

It is a super-2 number, since 2×3166281² = 20050670741922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3166283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15 + ... + 2516.

It is an arithmetic number, because the mean of its divisors is an integer number (384020).

Almost surely, 2^3166281 is an apocalyptic number.

It is an amenable number.

3166281 is a deficient number, since it is larger than the sum of its proper divisors (1441959).

3166281 is a wasteful number, since it uses less digits than its factorization.

3166281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676 (or 2673 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 3166281 is about 1779.4046757273. The cubic root of 3166281 is about 146.8418401676.

The spelling of 3166281 in words is "three million, one hundred sixty-six thousand, two hundred eighty-one".