65089437696 has 216 divisors, whose sum is σ = 196292678400. Its totient is φ = 20744503296.

The previous prime is 65089437671. The next prime is 65089437781. The reversal of 65089437696 is 69673498056.

65089437696 is a `hidden beast` number, since 6 + 508 + 9 + 4 + 37 + 6 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27130705 + ... + 27133103.

It is an arithmetic number, because the mean of its divisors is an integer number (908762400).

Almost surely, 2^65089437696 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 65089437696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98146339200).

65089437696 is an abundant number, since it is smaller than the sum of its proper divisors (131203240704).

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

65089437696 is an equidigital number, since it uses as much as digits as its factorization.

65089437696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462 (or 2427 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 65089437696 in words is "sixty-five billion, eighty-nine million, four hundred thirty-seven thousand, six hundred ninety-six".