216926056 has 32 divisors (see below), whose sum is σ = 425082240. Its totient is φ = 103678848.

The previous prime is 216926051. The next prime is 216926057. The reversal of 216926056 is 650629612.

216926056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (216926051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9460 + ... + 22876.

It is an arithmetic number, because the mean of its divisors is an integer number (13283820).

Almost surely, 2^216926056 is an apocalyptic number.

It is an amenable number.

216926056 is a deficient number, since it is larger than the sum of its proper divisors (208156184).

216926056 is a wasteful number, since it uses less digits than its factorization.

216926056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13513 (or 13509 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 216926056 is about 14728.4098259113. The cubic root of 216926056 is about 600.8562367757.

The spelling of 216926056 in words is "two hundred sixteen million, nine hundred twenty-six thousand, fifty-six".