216506930167 has 8 divisors (see below), whose sum is σ = 237425974272. Its totient is φ = 195793985400.

The previous prime is 216506930131. The next prime is 216506930179. The reversal of 216506930167 is 761039605612.

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

It is not a de Polignac number, because 216506930167 - 2¹¹ = 216506928119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216506930867) 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, 51522633 + ... + 51526834.

It is an arithmetic number, because the mean of its divisors is an integer number (29678246784).

Almost surely, 2^216506930167 is an apocalyptic number.

216506930167 is a deficient number, since it is larger than the sum of its proper divisors (20919044105).

216506930167 is a wasteful number, since it uses less digits than its factorization.

216506930167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103049669.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 216506930167 in words is "two hundred sixteen billion, five hundred six million, nine hundred thirty thousand, one hundred sixty-seven".