216300788 has 24 divisors (see below), whose sum is σ = 434673120. Its totient is φ = 93143520.

The previous prime is 216300787. The next prime is 216300827. The reversal of 216300788 is 887003612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216300787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128531 + ... + 130202.

It is an arithmetic number, because the mean of its divisors is an integer number (18111380).

Almost surely, 2^216300788 is an apocalyptic number.

It is an amenable number.

216300788 is an abundant number, since it is smaller than the sum of its proper divisors (218372332).

216300788 is a wasteful number, since it uses less digits than its factorization.

216300788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258767 (or 258765 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 216300788 is about 14707.1679122801. The cubic root of 216300788 is about 600.2783782300.

The spelling of 216300788 in words is "two hundred sixteen million, three hundred thousand, seven hundred eighty-eight".