65066266056 has 192 divisors, whose sum is σ = 182509367040. Its totient is φ = 19312128000.

The previous prime is 65066266007. The next prime is 65066266081.

65066266056 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 65066265996 and 65066266014.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28449345 + ... + 28451631.

It is an arithmetic number, because the mean of its divisors is an integer number (950569620).

Almost surely, 2^65066266056 is an apocalyptic number.

65066266056 is a gapful number since it is divisible by the number (66) 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 65066266056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91254683520).

65066266056 is an abundant number, since it is smaller than the sum of its proper divisors (117443100984).

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

65066266056 is a wasteful number, since it uses less digits than its factorization.

65066266056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516 (or 2501 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 65066266056 in words is "sixty-five billion, sixty-six million, two hundred sixty-six thousand, fifty-six".