216693088 has 24 divisors (see below), whose sum is σ = 427260960. Its totient is φ = 108182400.

The previous prime is 216693073. The next prime is 216693091. The reversal of 216693088 is 880396612.

216693088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17913 + ... + 27463.

It is an arithmetic number, because the mean of its divisors is an integer number (17802540).

Almost surely, 2^216693088 is an apocalyptic number.

It is an amenable number.

216693088 is a deficient number, since it is larger than the sum of its proper divisors (210567872).

216693088 is an equidigital number, since it uses as much as digits as its factorization.

216693088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10270 (or 10262 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 216693088 is about 14720.4989045888. The cubic root of 216693088 is about 600.6410629680.

The spelling of 216693088 in words is "two hundred sixteen million, six hundred ninety-three thousand, eighty-eight".