216063230310172 has 24 divisors (see below), whose sum is σ = 435026638216800. Its totient is φ = 91977060648000.

The previous prime is 216063230310121. The next prime is 216063230310233. The reversal of 216063230310172 is 271013032360612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25894438579 + ... + 25894446922.

It is an arithmetic number, because the mean of its divisors is an integer number (18126109925700).

Almost surely, 2^{216063230310172} is an apocalyptic number.

It is an amenable number.

216063230310172 is an abundant number, since it is smaller than the sum of its proper divisors (218963407906628).

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

216063230310172 is a wasteful number, since it uses less digits than its factorization.

216063230310172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51788885661 (or 51788885659 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

Adding to 216063230310172 its reverse (271013032360612), we get a palindrome (487076262670784).

The spelling of 216063230310172 in words is "two hundred sixteen trillion, sixty-three billion, two hundred thirty million, three hundred ten thousand, one hundred seventy-two".