216800692 has 12 divisors (see below), whose sum is σ = 385832160. Its totient is φ = 106562936.

The previous prime is 216800657. The next prime is 216800699. The reversal of 216800692 is 296008612.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216800699) 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, 459088 + ... + 459559.

It is an arithmetic number, because the mean of its divisors is an integer number (32152680).

Almost surely, 2^216800692 is an apocalyptic number.

It is an amenable number.

216800692 is a deficient number, since it is larger than the sum of its proper divisors (169031468).

216800692 is a wasteful number, since it uses less digits than its factorization.

216800692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918710 (or 918708 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 216800692 is about 14724.1533542679. The cubic root of 216800692 is about 600.7404672859.

The spelling of 216800692 in words is "two hundred sixteen million, eight hundred thousand, six hundred ninety-two".