216351364 has 12 divisors (see below), whose sum is σ = 379062684. Its totient is φ = 108047744.

The previous prime is 216351337. The next prime is 216351371. The reversal of 216351364 is 463153612.

It can be written as a sum of positive squares in 2 ways, for example, as 112148100 + 104203264 = 10590^2 + 10208^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28129 + ... + 34984.

It is an arithmetic number, because the mean of its divisors is an integer number (31588557).

Almost surely, 2^216351364 is an apocalyptic number.

It is an amenable number.

216351364 is a deficient number, since it is larger than the sum of its proper divisors (162711320).

216351364 is a wasteful number, since it uses less digits than its factorization.

216351364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63974 (or 63972 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 216351364 is about 14708.8872454717. The cubic root of 216351364 is about 600.3251607893.

The spelling of 216351364 in words is "two hundred sixteen million, three hundred fifty-one thousand, three hundred sixty-four".