3216211266 has 16 divisors (see below), whose sum is σ = 6810800544. Its totient is φ = 1009007424.

The previous prime is 3216211247. The next prime is 3216211303. The reversal of 3216211266 is 6621126123.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

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, 15765640 + ... + 15765843.

It is an arithmetic number, because the mean of its divisors is an integer number (425675034).

Almost surely, 2^3216211266 is an apocalyptic number.

3216211266 is an abundant number, since it is smaller than the sum of its proper divisors (3594589278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3216211266 is a wasteful number, since it uses less digits than its factorization.

3216211266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31531505.

The product of its digits is 5184, while the sum is 30.

The square root of 3216211266 is about 56711.6501787772. The cubic root of 3216211266 is about 1476.0968596699.

Adding to 3216211266 its reverse (6621126123), we get a palindrome (9837337389).

The spelling of 3216211266 in words is "three billion, two hundred sixteen million, two hundred eleven thousand, two hundred sixty-six".