65098656 has 144 divisors (see below), whose sum is σ = 216216000. Its totient is φ = 18571392.

The previous prime is 65098633. The next prime is 65098669. The reversal of 65098656 is 65689056.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98455 + ... + 99113.

It is an arithmetic number, because the mean of its divisors is an integer number (1501500).

Almost surely, 2^65098656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65098656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108108000).

65098656 is an abundant number, since it is smaller than the sum of its proper divisors (151117344).

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

65098656 is a wasteful number, since it uses less digits than its factorization.

65098656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 65098656 is about 8068.3738138487. The cubic root of 65098656 is about 402.2758928864.

The spelling of 65098656 in words is "sixty-five million, ninety-eight thousand, six hundred fifty-six".