3216161266 has 16 divisors (see below), whose sum is σ = 4897255680. Its totient is φ = 1583789760.

The previous prime is 3216161251. The next prime is 3216161279. The reversal of 3216161266 is 6621616123.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132055 + ... + 154501.

It is an arithmetic number, because the mean of its divisors is an integer number (306078480).

Almost surely, 2^3216161266 is an apocalyptic number.

3216161266 is a deficient number, since it is larger than the sum of its proper divisors (1681094414).

3216161266 is a wasteful number, since it uses less digits than its factorization.

3216161266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23529.

The product of its digits is 15552, while the sum is 34.

The square root of 3216161266 is about 56711.2093505332. The cubic root of 3216161266 is about 1476.0892103770.

Adding to 3216161266 its reverse (6621616123), we get a palindrome (9837777389).

The spelling of 3216161266 in words is "three billion, two hundred sixteen million, one hundred sixty-one thousand, two hundred sixty-six".