3161266 has 4 divisors (see below), whose sum is σ = 4741902. Its totient is φ = 1580632.

The previous prime is 3161237. The next prime is 3161273. The reversal of 3161266 is 6621613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6621613 = 43 ⋅153991.

It can be written as a sum of positive squares in only one way, i.e., 2819041 + 342225 = 1679^2 + 585^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3161266.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 790315 + ... + 790318.

Almost surely, 2^3161266 is an apocalyptic number.

3161266 is a deficient number, since it is larger than the sum of its proper divisors (1580636).

3161266 is a wasteful number, since it uses less digits than its factorization.

3161266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580635.

The product of its digits is 1296, while the sum is 25.

The square root of 3161266 is about 1777.9949381255. The cubic root of 3161266 is about 146.7642727243.

Adding to 3161266 its reverse (6621613), we get a palindrome (9782879).

The spelling of 3161266 in words is "three million, one hundred sixty-one thousand, two hundred sixty-six".