216544041299 has 8 divisors (see below), whose sum is σ = 221280713472. Its totient is φ = 211858029000.

The previous prime is 216544041293. The next prime is 216544041317. The reversal of 216544041299 is 992140445612.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216544041299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216544041293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12656327 + ... + 12673424.

It is an arithmetic number, because the mean of its divisors is an integer number (27660089184).

Almost surely, 2^216544041299 is an apocalyptic number.

216544041299 is a deficient number, since it is larger than the sum of its proper divisors (4736672173).

216544041299 is a wasteful number, since it uses less digits than its factorization.

216544041299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25329937.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 216544041299 in words is "two hundred sixteen billion, five hundred forty-four million, forty-one thousand, two hundred ninety-nine".