217130177116 has 24 divisors (see below), whose sum is σ = 383702490080. Its totient is φ = 107501090112.

The previous prime is 217130177107. The next prime is 217130177119. The reversal of 217130177116 is 611771031712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217130177119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6604030 + ... + 6636826.

Almost surely, 2^217130177116 is an apocalyptic number.

It is an amenable number.

217130177116 is a deficient number, since it is larger than the sum of its proper divisors (166572312964).

217130177116 is a wasteful number, since it uses less digits than its factorization.

217130177116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48973 (or 48971 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 37.

The spelling of 217130177116 in words is "two hundred seventeen billion, one hundred thirty million, one hundred seventy-seven thousand, one hundred sixteen".