216527084 has 6 divisors (see below), whose sum is σ = 378922404. Its totient is φ = 108263540.

The previous prime is 216527063. The next prime is 216527093. The reversal of 216527084 is 480725612.

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 as a sum of consecutive naturals, namely, 27065882 + ... + 27065889.

It is an arithmetic number, because the mean of its divisors is an integer number (63153734).

Almost surely, 2^216527084 is an apocalyptic number.

It is an amenable number.

216527084 is a deficient number, since it is larger than the sum of its proper divisors (162395320).

216527084 is a wasteful number, since it uses less digits than its factorization.

216527084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54131775 (or 54131773 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 216527084 is about 14714.8592925655. The cubic root of 216527084 is about 600.4876443051.

The spelling of 216527084 in words is "two hundred sixteen million, five hundred twenty-seven thousand, eighty-four".