216450213036486 has 128 divisors (see below), whose sum is σ = 526995083543040. Its totient is φ = 58360466304000.

The previous prime is 216450213036481. The next prime is 216450213036487. The reversal of 216450213036486 is 684630312054612.

It is a super-3 number, since 3×216450213036486³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216450213036481) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 7716921 + ... + 22191243.

It is an arithmetic number, because the mean of its divisors is an integer number (4117149090180).

Almost surely, 2^{216450213036486} is an apocalyptic number.

216450213036486 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 216450213036486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263497541771520).

216450213036486 is an abundant number, since it is smaller than the sum of its proper divisors (310544870506554).

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

216450213036486 is a wasteful number, since it uses less digits than its factorization.

216450213036486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14474982.

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 216450213036486 in words is "two hundred sixteen trillion, four hundred fifty billion, two hundred thirteen million, thirty-six thousand, four hundred eighty-six".