216852916 has 24 divisors (see below), whose sum is σ = 436879296. Its totient is φ = 92256960.

The previous prime is 216852869. The next prime is 216852917. The reversal of 216852916 is 619258612.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216852917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24430 + ... + 32101.

It is an arithmetic number, because the mean of its divisors is an integer number (18203304).

Almost surely, 2^216852916 is an apocalyptic number.

It is an amenable number.

216852916 is an abundant number, since it is smaller than the sum of its proper divisors (220026380).

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

216852916 is a wasteful number, since it uses less digits than its factorization.

216852916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56679 (or 56677 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 216852916 is about 14725.9266601460. The cubic root of 216852916 is about 600.7886998370.

The spelling of 216852916 in words is "two hundred sixteen million, eight hundred fifty-two thousand, nine hundred sixteen".