216652334 has 4 divisors (see below), whose sum is σ = 324978504. Its totient is φ = 108326166.

The previous prime is 216652333. The next prime is 216652349. The reversal of 216652334 is 433256612.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 216652334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216652333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54163082 + ... + 54163085.

It is an arithmetic number, because the mean of its divisors is an integer number (81244626).

Almost surely, 2^216652334 is an apocalyptic number.

216652334 is a deficient number, since it is larger than the sum of its proper divisors (108326170).

216652334 is a wasteful number, since it uses less digits than its factorization.

216652334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108326169.

The product of its digits is 25920, while the sum is 32.

The square root of 216652334 is about 14719.1145793489. The cubic root of 216652334 is about 600.6034059283.

The spelling of 216652334 in words is "two hundred sixteen million, six hundred fifty-two thousand, three hundred thirty-four".