216466088 has 16 divisors (see below), whose sum is σ = 427236000. Its totient is φ = 102536496.

The previous prime is 216466057. The next prime is 216466099. The reversal of 216466088 is 880664612.

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, 711908 + ... + 712211.

It is an arithmetic number, because the mean of its divisors is an integer number (26702250).

Almost surely, 2^216466088 is an apocalyptic number.

It is an amenable number.

216466088 is a deficient number, since it is larger than the sum of its proper divisors (210769912).

216466088 is a wasteful number, since it uses less digits than its factorization.

216466088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424144 (or 1424140 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 216466088 is about 14712.7865477618. The cubic root of 216466088 is about 600.4312529236.

The spelling of 216466088 in words is "two hundred sixteen million, four hundred sixty-six thousand, eighty-eight".