216741752 has 32 divisors (see below), whose sum is σ = 410918400. Its totient is φ = 107171424.

The previous prime is 216741709. The next prime is 216741761. The reversal of 216741752 is 257147612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452249 + ... + 452727.

It is an arithmetic number, because the mean of its divisors is an integer number (12841200).

Almost surely, 2^216741752 is an apocalyptic number.

It is an amenable number.

216741752 is a deficient number, since it is larger than the sum of its proper divisors (194176648).

216741752 is a wasteful number, since it uses less digits than its factorization.

216741752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995 (or 991 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 216741752 is about 14722.1517449047. The cubic root of 216741752 is about 600.6860227298.

The spelling of 216741752 in words is "two hundred sixteen million, seven hundred forty-one thousand, seven hundred fifty-two".