216201536 has 14 divisors (see below), whose sum is σ = 429025050. Its totient is φ = 108100736.

The previous prime is 216201527. The next prime is 216201553. The reversal of 216201536 is 635102612.

216201536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 213160000 + 3041536 = 14600^2 + 1744^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1689011 + ... + 1689138.

Almost surely, 2^216201536 is an apocalyptic number.

It is an amenable number.

216201536 is a deficient number, since it is larger than the sum of its proper divisors (212823514).

216201536 is an equidigital number, since it uses as much as digits as its factorization.

216201536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378161 (or 3378151 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 216201536 is about 14703.7932520829. The cubic root of 216201536 is about 600.1865494003.

The spelling of 216201536 in words is "two hundred sixteen million, two hundred one thousand, five hundred thirty-six".