65701672274928 has 320 divisors, whose sum is σ = 193079492121600. Its totient is φ = 19139569827840.

The previous prime is 65701672274911. The next prime is 65701672274929. The reversal of 65701672274928 is 82947227610756.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65701672274929) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 535854526 + ... + 535977122.

It is an arithmetic number, because the mean of its divisors is an integer number (603373412880).

Almost surely, 2^{65701672274928} 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 65701672274928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96539746060800).

65701672274928 is an abundant number, since it is smaller than the sum of its proper divisors (127377819846672).

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

65701672274928 is a wasteful number, since it uses less digits than its factorization.

65701672274928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123560 (or 123554 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 66.

The spelling of 65701672274928 in words is "sixty-five trillion, seven hundred one billion, six hundred seventy-two million, two hundred seventy-four thousand, nine hundred twenty-eight".