65148323328 has 480 divisors, whose sum is σ = 214700758272. Its totient is φ = 19558195200.

The previous prime is 65148323297. The next prime is 65148323329. The reversal of 65148323328 is 82332384156.

65148323328 is a `hidden beast` number, since 6 + 514 + 83 + 2 + 33 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65148323329) 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 47 ways as a sum of consecutive naturals, for example, 247712125 + ... + 247712387.

Almost surely, 2^65148323328 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 65148323328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107350379136).

65148323328 is an abundant number, since it is smaller than the sum of its proper divisors (149552434944).

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

65148323328 is a wasteful number, since it uses less digits than its factorization.

65148323328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 460 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 65148323328 in words is "sixty-five billion, one hundred forty-eight million, three hundred twenty-three thousand, three hundred twenty-eight".