216113532 has 12 divisors (see below), whose sum is σ = 504264936. Its totient is φ = 72037840.

The previous prime is 216113509. The next prime is 216113549. The reversal of 216113532 is 235311612.

216113532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9004719 + ... + 9004742.

It is an arithmetic number, because the mean of its divisors is an integer number (42022078).

Almost surely, 2^216113532 is an apocalyptic number.

It is an amenable number.

216113532 is an abundant number, since it is smaller than the sum of its proper divisors (288151404).

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

216113532 is a wasteful number, since it uses less digits than its factorization.

216113532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18009468 (or 18009466 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 216113532 is about 14700.8003863735. The cubic root of 216113532 is about 600.1051038098.

The spelling of 216113532 in words is "two hundred sixteen million, one hundred thirteen thousand, five hundred thirty-two".