216552882 has 48 divisors (see below), whose sum is σ = 535999680. Its totient is φ = 57110976.

The previous prime is 216552877. The next prime is 216552943. The reversal of 216552882 is 288255612.

216552882 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 (39).

It is a self number, because there is not a number n which added to its sum of digits gives 216552882.

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, 8157 + ... + 22352.

It is an arithmetic number, because the mean of its divisors is an integer number (11166660).

Almost surely, 2^216552882 is an apocalyptic number.

216552882 is an abundant number, since it is smaller than the sum of its proper divisors (319446798).

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

216552882 is a wasteful number, since it uses less digits than its factorization.

216552882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30547 (or 30534 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 216552882 is about 14715.7358633539. The cubic root of 216552882 is about 600.5114916144.

The spelling of 216552882 in words is "two hundred sixteen million, five hundred fifty-two thousand, eight hundred eighty-two".