216112577 has 8 divisors (see below), whose sum is σ = 225754560. Its totient is φ = 206491120.

The previous prime is 216112571. The next prime is 216112579. The reversal of 216112577 is 775211612.

216112577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 216112577 - 2⁶ = 216112513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216112571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18827 + ... + 28047.

It is an arithmetic number, because the mean of its divisors is an integer number (28219320).

Almost surely, 2^216112577 is an apocalyptic number.

It is an amenable number.

216112577 is a deficient number, since it is larger than the sum of its proper divisors (9641983).

216112577 is a wasteful number, since it uses less digits than its factorization.

216112577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10263.

The product of its digits is 5880, while the sum is 32.

The square root of 216112577 is about 14700.7679051130. The cubic root of 216112577 is about 600.1042198589.

The spelling of 216112577 in words is "two hundred sixteen million, one hundred twelve thousand, five hundred seventy-seven".