215636242015466 has 16 divisors (see below), whose sum is σ = 323543514962304. Its totient is φ = 107788404788064.

The previous prime is 215636242015459. The next prime is 215636242015487. The reversal of 215636242015466 is 664510242636512.

215636242015466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 443459366 + ... + 443945358.

It is an arithmetic number, because the mean of its divisors is an integer number (20221469685144).

Almost surely, 2^{215636242015466} is an apocalyptic number.

215636242015466 is a deficient number, since it is larger than the sum of its proper divisors (107907272946838).

215636242015466 is a wasteful number, since it uses less digits than its factorization.

215636242015466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546685.

The product of its (nonzero) digits is 12441600, while the sum is 53.

The spelling of 215636242015466 in words is "two hundred fifteen trillion, six hundred thirty-six billion, two hundred forty-two million, fifteen thousand, four hundred sixty-six".