216113567 has 4 divisors (see below), whose sum is σ = 220711776. Its totient is φ = 211515360.

The previous prime is 216113561. The next prime is 216113591. The reversal of 216113567 is 765311612.

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

It is a cyclic number.

It is not a de Polignac number, because 216113567 - 2⁸ = 216113311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216113561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2299034 + ... + 2299127.

It is an arithmetic number, because the mean of its divisors is an integer number (55177944).

Almost surely, 2^216113567 is an apocalyptic number.

216113567 is a deficient number, since it is larger than the sum of its proper divisors (4598209).

216113567 is an equidigital number, since it uses as much as digits as its factorization.

216113567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4598208.

The product of its digits is 7560, while the sum is 32.

The square root of 216113567 is about 14700.8015767849. The cubic root of 216113567 is about 600.1051362059.

The spelling of 216113567 in words is "two hundred sixteen million, one hundred thirteen thousand, five hundred sixty-seven".