216682286612 has 24 divisors (see below), whose sum is σ = 413781170880. Its totient is φ = 98464570560.

The previous prime is 216682286539. The next prime is 216682286627.

216682286612 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523937 + ... + 841352.

It is an arithmetic number, because the mean of its divisors is an integer number (17240882120).

Almost surely, 2^216682286612 is an apocalyptic number.

216682286612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

216682286612 is a deficient number, since it is larger than the sum of its proper divisors (197098884268).

216682286612 is a wasteful number, since it uses less digits than its factorization.

216682286612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368911 (or 1368909 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The spelling of 216682286612 in words is "two hundred sixteen billion, six hundred eighty-two million, two hundred eighty-six thousand, six hundred twelve".