216450466550416 has 20 divisors (see below), whose sum is σ = 479283175933312. Its totient is φ = 92764485664416.

The previous prime is 216450466550413. The next prime is 216450466550419. The reversal of 216450466550416 is 614055664054612.

It is an interprime number because it is at equal distance from previous prime (216450466550413) and next prime (216450466550419).

It is not an unprimeable number, because it can be changed into a prime (216450466550413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966296725560 + ... + 966296725783.

Almost surely, 2^{216450466550416} is an apocalyptic number.

It is an amenable number.

216450466550416 is an abundant number, since it is smaller than the sum of its proper divisors (262832709382896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216450466550416 is a wasteful number, since it uses less digits than its factorization.

216450466550416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932593451358 (or 1932593451352 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 55.

The spelling of 216450466550416 in words is "two hundred sixteen trillion, four hundred fifty billion, four hundred sixty-six million, five hundred fifty thousand, four hundred sixteen".