65685360 has 160 divisors (see below), whose sum is σ = 225610560. Its totient is φ = 15704064.

The previous prime is 65685359. The next prime is 65685383. The reversal of 65685360 is 6358656.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115156 + ... + 115724.

It is an arithmetic number, because the mean of its divisors is an integer number (1410066).

Almost surely, 2^65685360 is an apocalyptic number.

65685360 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 65685360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112805280).

65685360 is an abundant number, since it is smaller than the sum of its proper divisors (159925200).

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

65685360 is a wasteful number, since it uses less digits than its factorization.

65685360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 65685360 is about 8104.6505168329. The cubic root of 65685360 is about 403.4807890751.

The spelling of 65685360 in words is "sixty-five million, six hundred eighty-five thousand, three hundred sixty".