217126674316 has 12 divisors (see below), whose sum is σ = 386411878440. Its totient is φ = 106723280480.

The previous prime is 217126674311. The next prime is 217126674341. The reversal of 217126674316 is 613476621712.

It is not an unprimeable number, because it can be changed into a prime (217126674311) 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, 460013905 + ... + 460014376.

It is an arithmetic number, because the mean of its divisors is an integer number (32200989870).

Almost surely, 2^217126674316 is an apocalyptic number.

It is an amenable number.

217126674316 is a deficient number, since it is larger than the sum of its proper divisors (169285204124).

217126674316 is a wasteful number, since it uses less digits than its factorization.

217126674316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920028344 (or 920028342 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The spelling of 217126674316 in words is "two hundred seventeen billion, one hundred twenty-six million, six hundred seventy-four thousand, three hundred sixteen".