215443542064216 has 16 divisors (see below), whose sum is σ = 414874388435040. Its totient is φ = 104810371814880.

The previous prime is 215443542064193. The next prime is 215443542064279. The reversal of 215443542064216 is 612460245344512.

It is a self number, because there is not a number n which added to its sum of digits gives 215443542064216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363924901840 + ... + 363924902431.

It is an arithmetic number, because the mean of its divisors is an integer number (25929649277190).

Almost surely, 2^{215443542064216} is an apocalyptic number.

It is an amenable number.

215443542064216 is a deficient number, since it is larger than the sum of its proper divisors (199430846370824).

215443542064216 is a wasteful number, since it uses less digits than its factorization.

215443542064216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727849804314 (or 727849804310 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 49.

The spelling of 215443542064216 in words is "two hundred fifteen trillion, four hundred forty-three billion, five hundred forty-two million, sixty-four thousand, two hundred sixteen".