3215681266 has 8 divisors (see below), whose sum is σ = 5512596480. Its totient is φ = 1378149108.

The previous prime is 3215681263. The next prime is 3215681279. The reversal of 3215681266 is 6621865123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3215681263) 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, 114845746 + ... + 114845773.

It is an arithmetic number, because the mean of its divisors is an integer number (689074560).

Almost surely, 2^3215681266 is an apocalyptic number.

3215681266 is a deficient number, since it is larger than the sum of its proper divisors (2296915214).

3215681266 is a wasteful number, since it uses less digits than its factorization.

3215681266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229691528.

The product of its digits is 103680, while the sum is 40.

The square root of 3215681266 is about 56706.9772250294. The cubic root of 3215681266 is about 1476.0157731317.

The spelling of 3215681266 in words is "three billion, two hundred fifteen million, six hundred eighty-one thousand, two hundred sixty-six".