65216760 has 128 divisors (see below), whose sum is σ = 236805120. Its totient is φ = 14026752.

The previous prime is 65216741. The next prime is 65216779. The reversal of 65216760 is 6761256.

65216760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65216741) and next prime (65216779).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11997 + ... + 16563.

It is an arithmetic number, because the mean of its divisors is an integer number (1850040).

Almost surely, 2^65216760 is an apocalyptic number.

65216760 is a gapful number since it is divisible by the number (60) 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 65216760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118402560).

65216760 is an abundant number, since it is smaller than the sum of its proper divisors (171588360).

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

65216760 is a wasteful number, since it uses less digits than its factorization.

65216760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4605 (or 4601 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 65216760 is about 8075.6894442518. The cubic root of 65216760 is about 402.5190197151.

The spelling of 65216760 in words is "sixty-five million, two hundred sixteen thousand, seven hundred sixty".