216274766 has 16 divisors (see below), whose sum is σ = 331430400. Its totient is φ = 105814968.

The previous prime is 216274763. The next prime is 216274801. The reversal of 216274766 is 667472612.

216274766 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 not an unprimeable number, because it can be changed into a prime (216274763) 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, 22205 + ... + 30423.

It is an arithmetic number, because the mean of its divisors is an integer number (20714400).

Almost surely, 2^216274766 is an apocalyptic number.

216274766 is a deficient number, since it is larger than the sum of its proper divisors (115155634).

216274766 is a wasteful number, since it uses less digits than its factorization.

216274766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8503.

The product of its digits is 169344, while the sum is 41.

The square root of 216274766 is about 14706.2832150071. The cubic root of 216274766 is about 600.2543051625.

The spelling of 216274766 in words is "two hundred sixteen million, two hundred seventy-four thousand, seven hundred sixty-six".