216347623580836 has 24 divisors (see below), whose sum is σ = 413043959978496. Its totient is φ = 98335857805920.

The previous prime is 216347623580821. The next prime is 216347623580863. The reversal of 216347623580836 is 638085326743612.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98175231 + ... + 100354726.

It is an arithmetic number, because the mean of its divisors is an integer number (17210164999104).

Almost surely, 2^{216347623580836} is an apocalyptic number.

It is an amenable number.

216347623580836 is a deficient number, since it is larger than the sum of its proper divisors (196696336397660).

216347623580836 is a wasteful number, since it uses less digits than its factorization.

216347623580836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198554739 (or 198554737 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 64.

The spelling of 216347623580836 in words is "two hundred sixteen trillion, three hundred forty-seven billion, six hundred twenty-three million, five hundred eighty thousand, eight hundred thirty-six".