216546113 has 8 divisors (see below), whose sum is σ = 247692480. Its totient is φ = 185452560.

The previous prime is 216546101. The next prime is 216546131. The reversal of 216546113 is 311645612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216546113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216546313) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 3983 + ... + 21188.

It is an arithmetic number, because the mean of its divisors is an integer number (30961560).

Almost surely, 2^216546113 is an apocalyptic number.

It is an amenable number.

216546113 is a deficient number, since it is larger than the sum of its proper divisors (31146367).

216546113 is a wasteful number, since it uses less digits than its factorization.

216546113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26407.

The product of its digits is 4320, while the sum is 29.

The square root of 216546113 is about 14715.5058696601. The cubic root of 216546113 is about 600.5052346291.

The spelling of 216546113 in words is "two hundred sixteen million, five hundred forty-six thousand, one hundred thirteen".