216014886 has 48 divisors (see below), whose sum is σ = 507119184. Its totient is φ = 66189312.

The previous prime is 216014863. The next prime is 216014891. The reversal of 216014886 is 688410612.

216014886 is a `hidden beast` number, since 2 + 1 + 601 + 48 + 8 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 216014886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4950 + ... + 21366.

It is an arithmetic number, because the mean of its divisors is an integer number (10564983).

Almost surely, 2^216014886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216014886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253559592).

216014886 is an abundant number, since it is smaller than the sum of its proper divisors (291104298).

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

216014886 is a wasteful number, since it uses less digits than its factorization.

216014886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16485 (or 16482 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 216014886 is about 14697.4448799783. Note that the first 3 decimals coincide. The cubic root of 216014886 is about 600.0137830167.

The spelling of 216014886 in words is "two hundred sixteen million, fourteen thousand, eight hundred eighty-six".