216116611230 has 128 divisors (see below), whose sum is σ = 572306757120. Its totient is φ = 51901724160.

The previous prime is 216116611211. The next prime is 216116611247. The reversal of 216116611230 is 32116611612.

It is a happy number.

It is a super-2 number, since 2×216116611230² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 3670725 + ... + 3729135.

It is an arithmetic number, because the mean of its divisors is an integer number (4471146540).

Almost surely, 2^216116611230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216116611230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286153378560).

216116611230 is an abundant number, since it is smaller than the sum of its proper divisors (356190145890).

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

216116611230 is a wasteful number, since it uses less digits than its factorization.

216116611230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58666.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 216116611230 in words is "two hundred sixteen billion, one hundred sixteen million, six hundred eleven thousand, two hundred thirty".