216930088 has 16 divisors (see below), whose sum is σ = 410546880. Its totient is φ = 107450928.

The previous prime is 216930071. The next prime is 216930101. The reversal of 216930088 is 880039612.

216930088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 125856 + ... + 127567.

It is an arithmetic number, because the mean of its divisors is an integer number (25659180).

Almost surely, 2^216930088 is an apocalyptic number.

It is an amenable number.

216930088 is a deficient number, since it is larger than the sum of its proper divisors (193616792).

216930088 is a wasteful number, since it uses less digits than its factorization.

216930088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253536 (or 253532 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 216930088 is about 14728.5467035957. The cubic root of 216930088 is about 600.8599594533.

The spelling of 216930088 in words is "two hundred sixteen million, nine hundred thirty thousand, eighty-eight".