216916902 has 24 divisors (see below), whose sum is σ = 471510000. Its totient is φ = 72071280.

The previous prime is 216916883. The next prime is 216916919. The reversal of 216916902 is 209619612.

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 11 ways as a sum of consecutive naturals, for example, 13777 + ... + 24972.

It is an arithmetic number, because the mean of its divisors is an integer number (19646250).

Almost surely, 2^216916902 is an apocalyptic number.

216916902 is an abundant number, since it is smaller than the sum of its proper divisors (254593098).

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

216916902 is a wasteful number, since it uses less digits than its factorization.

216916902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39068 (or 39065 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 216916902 is about 14728.0990626761. The cubic root of 216916902 is about 600.8477848705.

The spelling of 216916902 in words is "two hundred sixteen million, nine hundred sixteen thousand, nine hundred two".