216270970 has 32 divisors (see below), whose sum is σ = 403232256. Its totient is φ = 83462400.

The previous prime is 216270959. The next prime is 216270983. The reversal of 216270970 is 79072612.

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, 30130 + ... + 36610.

It is an arithmetic number, because the mean of its divisors is an integer number (12601008).

Almost surely, 2^216270970 is an apocalyptic number.

216270970 is a deficient number, since it is larger than the sum of its proper divisors (186961286).

216270970 is a wasteful number, since it uses less digits than its factorization.

216270970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6606.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 216270970 is about 14706.1541539588. The cubic root of 216270970 is about 600.2507933047.

The spelling of 216270970 in words is "two hundred sixteen million, two hundred seventy thousand, nine hundred seventy".