65065802256 has 640 divisors, whose sum is σ = 239442452480. Its totient is φ = 16460236800.

The previous prime is 65065802201. The next prime is 65065802273. The reversal of 65065802256 is 65220856056.

65065802256 is a `hidden beast` number, since 65 + 0 + 6 + 580 + 2 + 2 + 5 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 103115061 + ... + 103115691.

It is an arithmetic number, because the mean of its divisors is an integer number (374128832).

Almost surely, 2^65065802256 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 65065802256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119721226240).

65065802256 is an abundant number, since it is smaller than the sum of its proper divisors (174376650224).

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

65065802256 is a wasteful number, since it uses less digits than its factorization.

65065802256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 65065802256 in words is "sixty-five billion, sixty-five million, eight hundred two thousand, two hundred fifty-six".