3166631 has 4 divisors (see below), whose sum is σ = 3410232. Its totient is φ = 2923032.

The previous prime is 3166627. The next prime is 3166637. The reversal of 3166631 is 1366613.

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

It is a cyclic number.

It is not a de Polignac number, because 3166631 - 2² = 3166627 is a prime.

It is a super-2 number, since 2×3166631² = 20055103780322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3166631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3166637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121781 + ... + 121806.

It is an arithmetic number, because the mean of its divisors is an integer number (852558).

Almost surely, 2^3166631 is an apocalyptic number.

3166631 is a deficient number, since it is larger than the sum of its proper divisors (243601).

3166631 is a wasteful number, since it uses less digits than its factorization.

3166631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243600.

The product of its digits is 1944, while the sum is 26.

The square root of 3166631 is about 1779.5030205088. The cubic root of 3166631 is about 146.8472505898.

The spelling of 3166631 in words is "three million, one hundred sixty-six thousand, six hundred thirty-one".