216852132 has 24 divisors (see below), whose sum is σ = 578272576. Its totient is φ = 61957728.

The previous prime is 216852107. The next prime is 216852173. The reversal of 216852132 is 231258612.

It is a self number, because there is not a number n which added to its sum of digits gives 216852132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290703 + ... + 1290870.

Almost surely, 2^216852132 is an apocalyptic number.

It is an amenable number.

216852132 is an abundant number, since it is smaller than the sum of its proper divisors (361420444).

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

216852132 is a wasteful number, since it uses less digits than its factorization.

216852132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581587 (or 2581585 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 216852132 is about 14725.9000404050. The cubic root of 216852132 is about 600.7879758150.

The spelling of 216852132 in words is "two hundred sixteen million, eight hundred fifty-two thousand, one hundred thirty-two".