216711360 has 168 divisors, whose sum is σ = 761731776. Its totient is φ = 56524800.

The previous prime is 216711347. The next prime is 216711373. The reversal of 216711360 is 63117612.

It is an interprime number because it is at equal distance from previous prime (216711347) and next prime (216711373).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134560 + ... + 136160.

Almost surely, 2^216711360 is an apocalyptic number.

216711360 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 216711360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380865888).

216711360 is an abundant number, since it is smaller than the sum of its proper divisors (545020416).

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

216711360 is a wasteful number, since it uses less digits than its factorization.

216711360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 216711360 is about 14721.1195226450. The cubic root of 216711360 is about 600.6579449171.

Adding to 216711360 its reverse (63117612), we get a palindrome (279828972).

The spelling of 216711360 in words is "two hundred sixteen million, seven hundred eleven thousand, three hundred sixty".