216700693 has 16 divisors (see below), whose sum is σ = 243029952. Its totient is φ = 191520000.

The previous prime is 216700669. The next prime is 216700697. The reversal of 216700693 is 396007612.

It is a cyclic number.

It is not a de Polignac number, because 216700693 - 2⁵ = 216700661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216700697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113043 + ... + 114943.

It is an arithmetic number, because the mean of its divisors is an integer number (15189372).

Almost surely, 2^216700693 is an apocalyptic number.

It is an amenable number.

216700693 is a deficient number, since it is larger than the sum of its proper divisors (26329259).

216700693 is a wasteful number, since it uses less digits than its factorization.

216700693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 216700693 is about 14720.7572155783. The cubic root of 216700693 is about 600.6480895294.

The spelling of 216700693 in words is "two hundred sixteen million, seven hundred thousand, six hundred ninety-three".