216045752052 has 48 divisors (see below), whose sum is σ = 548259328512. Its totient is φ = 65817436800.

The previous prime is 216045752047. The next prime is 216045752059. The reversal of 216045752052 is 250257540612.

216045752052 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 216045752052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216045752059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6840228 + ... + 6871739.

It is an arithmetic number, because the mean of its divisors is an integer number (11422069344).

Almost surely, 2^216045752052 is an apocalyptic number.

It is an amenable number.

216045752052 is an abundant number, since it is smaller than the sum of its proper divisors (332213576460).

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

216045752052 is a wasteful number, since it uses less digits than its factorization.

216045752052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13712088 (or 13712086 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 216045752052 in words is "two hundred sixteen billion, forty-five million, seven hundred fifty-two thousand, fifty-two".