216152566326 has 48 divisors (see below), whose sum is σ = 472946510400. Its totient is φ = 71343450864.

The previous prime is 216152566313. The next prime is 216152566337. The reversal of 216152566326 is 623665251612.

216152566326 is a `hidden beast` number, since 2 + 1 + 6 + 1 + 5 + 2 + 5 + 6 + 632 + 6 = 666.

216152566326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 834285 + ... + 1062231.

It is an arithmetic number, because the mean of its divisors is an integer number (9853052300).

Almost surely, 2^216152566326 is an apocalyptic number.

216152566326 is an abundant number, since it is smaller than the sum of its proper divisors (256793944074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216152566326 is a wasteful number, since it uses less digits than its factorization.

216152566326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228473 (or 228470 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 216152566326 in words is "two hundred sixteen billion, one hundred fifty-two million, five hundred sixty-six thousand, three hundred twenty-six".