65414325760 has 640 divisors, whose sum is σ = 197987328000. Its totient is φ = 20664483840.

The previous prime is 65414325749. The next prime is 65414325793. The reversal of 65414325760 is 6752341456.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 828029401 + ... + 828029479.

It is an arithmetic number, because the mean of its divisors is an integer number (309355200).

Almost surely, 2^65414325760 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 65414325760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98993664000).

65414325760 is an abundant number, since it is smaller than the sum of its proper divisors (132573002240).

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

65414325760 is an equidigital number, since it uses as much as digits as its factorization.

65414325760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 65414325760 in words is "sixty-five billion, four hundred fourteen million, three hundred twenty-five thousand, seven hundred sixty".