65285658256 has 160 divisors (see below), whose sum is σ = 162305611776. Its totient is φ = 24744960000.

The previous prime is 65285658241. The next prime is 65285658271.

65285658256 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (65285658241) and next prime (65285658271).

It is a self number, because there is not a number n which added to its sum of digits gives 65285658256.

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, 4551576 + ... + 4565896.

Almost surely, 2^65285658256 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 65285658256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81152805888).

65285658256 is an abundant number, since it is smaller than the sum of its proper divisors (97019953520).

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

65285658256 is a wasteful number, since it uses less digits than its factorization.

65285658256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14481 (or 14475 counting only the distinct ones).

The product of its digits is 34560000, while the sum is 58.

The spelling of 65285658256 in words is "sixty-five billion, two hundred eighty-five million, six hundred fifty-eight thousand, two hundred fifty-six".