216808596 has 24 divisors (see below), whose sum is σ = 562096640. Its totient is φ = 72269496.

The previous prime is 216808589. The next prime is 216808609. The reversal of 216808596 is 695808612.

216808596 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003636 + ... + 1003851.

Almost surely, 2^216808596 is an apocalyptic number.

It is an amenable number.

216808596 is an abundant number, since it is smaller than the sum of its proper divisors (345288044).

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

216808596 is a wasteful number, since it uses less digits than its factorization.

216808596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007500 (or 2007492 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 216808596 is about 14724.4217543508. The cubic root of 216808596 is about 600.7477676853.

It can be divided in two parts, 21680 and 8596, that added together give a square (30276 = 174²).

The spelling of 216808596 in words is "two hundred sixteen million, eight hundred eight thousand, five hundred ninety-six".