216331532807 has 8 divisors (see below), whose sum is σ = 235921439040. Its totient is φ = 197162915040.

The previous prime is 216331532737. The next prime is 216331532839. The reversal of 216331532807 is 708235133612.

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

It is not a de Polignac number, because 216331532807 - 2¹⁶ = 216331467271 is a prime.

It is a super-2 number, since 2×216331532807² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216331532887) 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, 105321044 + ... + 105323097.

It is an arithmetic number, because the mean of its divisors is an integer number (29490179880).

Almost surely, 2^216331532807 is an apocalyptic number.

216331532807 is a deficient number, since it is larger than the sum of its proper divisors (19589906233).

216331532807 is a wasteful number, since it uses less digits than its factorization.

216331532807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210644233.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 216331532807 in words is "two hundred sixteen billion, three hundred thirty-one million, five hundred thirty-two thousand, eight hundred seven".