216343222343612 has 192 divisors, whose sum is σ = 478300322992128. Its totient is φ = 83360275200000.

The previous prime is 216343222343581. The next prime is 216343222343623.

216343222343612 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 571601312 + ... + 571979672.

It is an arithmetic number, because the mean of its divisors is an integer number (2491147515584).

Almost surely, 2^{216343222343612} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216343222343612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239150161496064).

216343222343612 is an abundant number, since it is smaller than the sum of its proper divisors (261957100648516).

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

216343222343612 is a wasteful number, since it uses less digits than its factorization.

216343222343612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378740 (or 378738 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 44.

The spelling of 216343222343612 in words is "two hundred sixteen trillion, three hundred forty-three billion, two hundred twenty-two million, three hundred forty-three thousand, six hundred twelve".