65919325856 has 24 divisors (see below), whose sum is σ = 132539924160. Its totient is φ = 32258392768.

The previous prime is 65919325853. The next prime is 65919325859. The reversal of 65919325856 is 65852391956.

It is an interprime number because it is at equal distance from previous prime (65919325853) and next prime (65919325859).

It is a junction number, because it is equal to n+sod(n) for n = 65919325795 and 65919325804.

It is not an unprimeable number, because it can be changed into a prime (65919325853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21913166 + ... + 21916173.

It is an arithmetic number, because the mean of its divisors is an integer number (5522496840).

Almost surely, 2^65919325856 is an apocalyptic number.

It is an amenable number.

65919325856 is an abundant number, since it is smaller than the sum of its proper divisors (66620598304).

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

65919325856 is a wasteful number, since it uses less digits than its factorization.

65919325856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43829396 (or 43829388 counting only the distinct ones).

The product of its digits is 17496000, while the sum is 59.

The spelling of 65919325856 in words is "sixty-five billion, nine hundred nineteen million, three hundred twenty-five thousand, eight hundred fifty-six".