65098560 has 224 divisors, whose sum is σ = 225308160. Its totient is φ = 15869952.

The previous prime is 65098513. The next prime is 65098567. The reversal of 65098560 is 6589056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65098567) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 784279 + ... + 784361.

It is an arithmetic number, because the mean of its divisors is an integer number (1005840).

Almost surely, 2^65098560 is an apocalyptic number.

65098560 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 65098560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112654080).

65098560 is an abundant number, since it is smaller than the sum of its proper divisors (160209600).

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

65098560 is a wasteful number, since it uses less digits than its factorization.

65098560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 65098560 is about 8068.3678646923. The cubic root of 65098560 is about 402.2756951429.

The spelling of 65098560 in words is "sixty-five million, ninety-eight thousand, five hundred sixty".