216914845040312 has 16 divisors (see below), whose sum is σ = 424398609861840. Its totient is φ = 103741882410496.

The previous prime is 216914845040281. The next prime is 216914845040323. The reversal of 216914845040312 is 213040548419612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589442513513 + ... + 589442513880.

It is an arithmetic number, because the mean of its divisors is an integer number (26524913116365).

Almost surely, 2^{216914845040312} is an apocalyptic number.

It is an amenable number.

216914845040312 is a deficient number, since it is larger than the sum of its proper divisors (207483764821528).

216914845040312 is a wasteful number, since it uses less digits than its factorization.

216914845040312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178885027422 (or 1178885027418 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 216914845040312 in words is "two hundred sixteen trillion, nine hundred fourteen billion, eight hundred forty-five million, forty thousand, three hundred twelve".