216683077 has 16 divisors (see below), whose sum is σ = 237025152. Its totient is φ = 196891200.

The previous prime is 216682993. The next prime is 216683081. The reversal of 216683077 is 770386612.

It is a cyclic number.

It is not a de Polignac number, because 216683077 - 2¹¹ = 216681029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216683477) 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 15 ways as a sum of consecutive naturals, for example, 297688 + ... + 298414.

It is an arithmetic number, because the mean of its divisors is an integer number (14814072).

Almost surely, 2^216683077 is an apocalyptic number.

It is an amenable number.

216683077 is a deficient number, since it is larger than the sum of its proper divisors (20342075).

216683077 is a wasteful number, since it uses less digits than its factorization.

216683077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 216683077 is about 14720.1588646319. The cubic root of 216683077 is about 600.6318131571.

The spelling of 216683077 in words is "two hundred sixteen million, six hundred eighty-three thousand, seventy-seven".