216302560 has 96 divisors (see below), whose sum is σ = 544918752. Its totient is φ = 80855040.

The previous prime is 216302551. The next prime is 216302573. The reversal of 216302560 is 65203612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764179 + ... + 764461.

It is an arithmetic number, because the mean of its divisors is an integer number (5676237).

Almost surely, 2^216302560 is an apocalyptic number.

216302560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216302560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272459376).

216302560 is an abundant number, since it is smaller than the sum of its proper divisors (328616192).

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

216302560 is a wasteful number, since it uses less digits than its factorization.

216302560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 216302560 is about 14707.2281548904. The cubic root of 216302560 is about 600.2800174449.

The spelling of 216302560 in words is "two hundred sixteen million, three hundred two thousand, five hundred sixty".