216354352 has 10 divisors (see below), whose sum is σ = 419186588. Its totient is φ = 108177168.

The previous prime is 216354317. The next prime is 216354367. The reversal of 216354352 is 253453612.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6761058 + ... + 6761089.

Almost surely, 2^216354352 is an apocalyptic number.

It is an amenable number.

216354352 is a deficient number, since it is larger than the sum of its proper divisors (202832236).

216354352 is a wasteful number, since it uses less digits than its factorization.

216354352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13522155 (or 13522149 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 216354352 is about 14708.9888163667. The cubic root of 216354352 is about 600.3279244470.

The spelling of 216354352 in words is "two hundred sixteen million, three hundred fifty-four thousand, three hundred fifty-two".