216516700 has 36 divisors (see below), whose sum is σ = 470563632. Its totient is φ = 86473600.

The previous prime is 216516691. The next prime is 216516757. The reversal of 216516700 is 7615612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87480 + ... + 89920.

It is an arithmetic number, because the mean of its divisors is an integer number (13071212).

Almost surely, 2^216516700 is an apocalyptic number.

216516700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216516700 is an abundant number, since it is smaller than the sum of its proper divisors (254046932).

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

216516700 is a wasteful number, since it uses less digits than its factorization.

216516700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342 (or 3335 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 216516700 is about 14714.5064477202. The cubic root of 216516700 is about 600.4780449465.

The spelling of 216516700 in words is "two hundred sixteen million, five hundred sixteen thousand, seven hundred".