216310068 has 48 divisors (see below), whose sum is σ = 603946560. Its totient is φ = 66556512.

The previous prime is 216310037. The next prime is 216310093. The reversal of 216310068 is 860013612.

216310068 is a `hidden beast` number, since 21 + 631 + 0 + 0 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 75630 + ... + 78437.

It is an arithmetic number, because the mean of its divisors is an integer number (12582220).

Almost surely, 2^216310068 is an apocalyptic number.

It is an amenable number.

216310068 is an abundant number, since it is smaller than the sum of its proper divisors (387636492).

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

216310068 is a wasteful number, since it uses less digits than its factorization.

216310068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154093 (or 154085 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 216310068 is about 14707.4834013165. The cubic root of 216310068 is about 600.2869627321.

The spelling of 216310068 in words is "two hundred sixteen million, three hundred ten thousand, sixty-eight".