216147762 has 48 divisors (see below), whose sum is σ = 500379360. Its totient is φ = 67231296.

The previous prime is 216147761. The next prime is 216147769. The reversal of 216147762 is 267741612.

It is not an unprimeable number, because it can be changed into a prime (216147761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18198 + ... + 27630.

It is an arithmetic number, because the mean of its divisors is an integer number (10424570).

Almost surely, 2^216147762 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216147762, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250189680).

216147762 is an abundant number, since it is smaller than the sum of its proper divisors (284231598).

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

216147762 is a wasteful number, since it uses less digits than its factorization.

216147762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9527 (or 9524 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 216147762 is about 14701.9645626018. The cubic root of 216147762 is about 600.1367854805.

The spelling of 216147762 in words is "two hundred sixteen million, one hundred forty-seven thousand, seven hundred sixty-two".