216054132 has 72 divisors (see below), whose sum is σ = 591988320. Its totient is φ = 61145280.

The previous prime is 216054127. The next prime is 216054151. The reversal of 216054132 is 231450612.

216054132 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62407 + ... + 65777.

It is an arithmetic number, because the mean of its divisors is an integer number (8222060).

Almost surely, 2^216054132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216054132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295994160).

216054132 is an abundant number, since it is smaller than the sum of its proper divisors (375934188).

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

216054132 is a wasteful number, since it uses less digits than its factorization.

216054132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501 (or 3492 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 216054132 is about 14698.7799493699. The cubic root of 216054132 is about 600.0501180357.

The spelling of 216054132 in words is "two hundred sixteen million, fifty-four thousand, one hundred thirty-two".