216152031173 has 8 divisors (see below), whose sum is σ = 236253426528. Its totient is φ = 196546966704.

The previous prime is 216152031163. The next prime is 216152031211. The reversal of 216152031173 is 371130251612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216152031173 - 2²⁸ = 215883595717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216152031133) 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, 124081811 + ... + 124083552.

It is an arithmetic number, because the mean of its divisors is an integer number (29531678316).

Almost surely, 2^216152031173 is an apocalyptic number.

It is an amenable number.

216152031173 is a deficient number, since it is larger than the sum of its proper divisors (20101395355).

216152031173 is a wasteful number, since it uses less digits than its factorization.

216152031173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248165443.

The product of its (nonzero) digits is 7560, while the sum is 32.

Adding to 216152031173 its reverse (371130251612), we get a palindrome (587282282785).

The spelling of 216152031173 in words is "two hundred sixteen billion, one hundred fifty-two million, thirty-one thousand, one hundred seventy-three".