216850552 has 16 divisors (see below), whose sum is σ = 408421440. Its totient is φ = 107938176.

The previous prime is 216850523. The next prime is 216850567. The reversal of 216850552 is 255058612.

216850552 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 3 ways as a sum of consecutive naturals, for example, 58993 + ... + 62560.

It is an arithmetic number, because the mean of its divisors is an integer number (25526340).

Almost surely, 2^216850552 is an apocalyptic number.

It is an amenable number.

216850552 is a deficient number, since it is larger than the sum of its proper divisors (191570888).

216850552 is a wasteful number, since it uses less digits than its factorization.

216850552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121782 (or 121778 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 216850552 is about 14725.8463933317. The cubic root of 216850552 is about 600.7865166835.

The spelling of 216850552 in words is "two hundred sixteen million, eight hundred fifty thousand, five hundred fifty-two".