65495859456 has 144 divisors (see below), whose sum is σ = 176425881408. Its totient is φ = 21568512000.

The previous prime is 65495859433. The next prime is 65495859461.

65495859456 is nontrivially palindromic in base 10.

65495859456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×65495859456³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64148226 + ... + 64149246.

It is an arithmetic number, because the mean of its divisors is an integer number (1225179732).

Almost surely, 2^65495859456 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 65495859456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88212940704).

65495859456 is an abundant number, since it is smaller than the sum of its proper divisors (110930021952).

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

65495859456 is a wasteful number, since it uses less digits than its factorization.

65495859456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968 (or 1954 counting only the distinct ones).

The product of its digits is 233280000, while the sum is 66.

The spelling of 65495859456 in words is "sixty-five billion, four hundred ninety-five million, eight hundred fifty-nine thousand, four hundred fifty-six".