216047783952 has 1200 divisors, whose sum is σ = 879023863872. Its totient is φ = 50321295360.

The previous prime is 216047783951. The next prime is 216047783993. The reversal of 216047783952 is 259387740612.

It is a happy number.

216047783952 is a `hidden beast` number, since 2 + 1 + 6 + 0 + 477 + 83 + 95 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216047783951) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 335999343 + ... + 335999985.

It is a 1-persistent number, because it is pandigital, but 2⋅216047783952 = 432095567904 is not.

Almost surely, 2^216047783952 is an apocalyptic number.

216047783952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216047783952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439511931936).

216047783952 is an abundant number, since it is smaller than the sum of its proper divisors (662976079920).

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

216047783952 is a wasteful number, since it uses less digits than its factorization.

216047783952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

It can be divided in two parts, 216047 and 783952, that added together give a palindrome (999999).

The spelling of 216047783952 in words is "two hundred sixteen billion, forty-seven million, seven hundred eighty-three thousand, nine hundred fifty-two".