215612448266 has 16 divisors (see below), whose sum is σ = 327995982720. Its totient is φ = 106280658960.

The previous prime is 215612448217. The next prime is 215612448283. The reversal of 215612448266 is 662844216512.

It is a self number, because there is not a number n which added to its sum of digits gives 215612448266.

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, 2512235 + ... + 2596641.

It is an arithmetic number, because the mean of its divisors is an integer number (20499748920).

Almost surely, 2^215612448266 is an apocalyptic number.

215612448266 is a deficient number, since it is larger than the sum of its proper divisors (112383534454).

215612448266 is a wasteful number, since it uses less digits than its factorization.

215612448266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102469.

The product of its digits is 1105920, while the sum is 47.

The spelling of 215612448266 in words is "two hundred fifteen billion, six hundred twelve million, four hundred forty-eight thousand, two hundred sixty-six".