216066300 has 36 divisors (see below), whose sum is σ = 625152696. Its totient is φ = 57617600.

The previous prime is 216066299. The next prime is 216066313. The reversal of 216066300 is 3660612.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

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, 359811 + ... + 360410.

Almost surely, 2^216066300 is an apocalyptic number.

216066300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216066300 is an abundant number, since it is smaller than the sum of its proper divisors (409086396).

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

216066300 is a wasteful number, since it uses less digits than its factorization.

216066300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720238 (or 720231 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 216066300 is about 14699.1938554466. The cubic root of 216066300 is about 600.0613826090.

The spelling of 216066300 in words is "two hundred sixteen million, sixty-six thousand, three hundred".