216060432 has 80 divisors (see below), whose sum is σ = 639542400. Its totient is φ = 61572096.

The previous prime is 216060391. The next prime is 216060433. The reversal of 216060432 is 234060612.

It is a super-2 number, since 2×216060432² = 93364220552053248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (216060433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205444 + ... + 206492.

It is an arithmetic number, because the mean of its divisors is an integer number (7994280).

Almost surely, 2^216060432 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 216060432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319771200).

216060432 is an abundant number, since it is smaller than the sum of its proper divisors (423481968).

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

216060432 is a wasteful number, since it uses less digits than its factorization.

216060432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 216060432 is about 14698.9942513085. The cubic root of 216060432 is about 600.0559503380.

The spelling of 216060432 in words is "two hundred sixteen million, sixty thousand, four hundred thirty-two".