216701352 has 128 divisors (see below), whose sum is σ = 691891200. Its totient is φ = 61560000.

The previous prime is 216701323. The next prime is 216701393. The reversal of 216701352 is 253107612.

It is a happy number.

216701352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379227 + ... + 379797.

It is an arithmetic number, because the mean of its divisors is an integer number (5405400).

Almost surely, 2^216701352 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 216701352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345945600).

216701352 is an abundant number, since it is smaller than the sum of its proper divisors (475189848).

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

216701352 is a wasteful number, since it uses less digits than its factorization.

216701352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 216701352 is about 14720.7795989207. The cubic root of 216701352 is about 600.6486983979.

Adding to 216701352 its reverse (253107612), we get a palindrome (469808964).

The spelling of 216701352 in words is "two hundred sixteen million, seven hundred one thousand, three hundred fifty-two".