65080436736 has 384 divisors, whose sum is σ = 211781606400. Its totient is φ = 17358520320.

The previous prime is 65080436731. The next prime is 65080436753. The reversal of 65080436736 is 63763408056.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (65080436731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59651551 + ... + 59652641.

It is an arithmetic number, because the mean of its divisors is an integer number (551514600).

Almost surely, 2^65080436736 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 65080436736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105890803200).

65080436736 is an abundant number, since it is smaller than the sum of its proper divisors (146701169664).

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

65080436736 is a wasteful number, since it uses less digits than its factorization.

65080436736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 65080436736 in words is "sixty-five billion, eighty million, four hundred thirty-six thousand, seven hundred thirty-six".