216616675276 has 12 divisors (see below), whose sum is σ = 379248202872. Its totient is φ = 108260045888.

The previous prime is 216616675271. The next prime is 216616675277. The reversal of 216616675276 is 672576616612.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (216616675271) 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, 12062845 + ... + 12080788.

It is an arithmetic number, because the mean of its divisors is an integer number (31604016906).

Almost surely, 2^216616675276 is an apocalyptic number.

It is an amenable number.

216616675276 is a deficient number, since it is larger than the sum of its proper divisors (162631527596).

216616675276 is a wasteful number, since it uses less digits than its factorization.

216616675276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24145880 (or 24145878 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 55.

The spelling of 216616675276 in words is "two hundred sixteen billion, six hundred sixteen million, six hundred seventy-five thousand, two hundred seventy-six".