216501064660230 has 32 divisors (see below), whose sum is σ = 593831491640064. Its totient is φ = 49485957636576.

The previous prime is 216501064660219. The next prime is 216501064660249. The reversal of 216501064660230 is 32066460105612.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515478725172 + ... + 515478725591.

It is an arithmetic number, because the mean of its divisors is an integer number (18557234113752).

Almost surely, 2^{216501064660230} is an apocalyptic number.

216501064660230 is an abundant number, since it is smaller than the sum of its proper divisors (377330426979834).

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

216501064660230 is a wasteful number, since it uses less digits than its factorization.

216501064660230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030957450780.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 216501064660230 in words is "two hundred sixteen trillion, five hundred one billion, sixty-four million, six hundred sixty thousand, two hundred thirty".