65679011774992 has 320 divisors, whose sum is σ = 165510881625600. Its totient is φ = 25020365260800.

The previous prime is 65679011774989. The next prime is 65679011775019. The reversal of 65679011774992 is 29947711097656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 937419642 + ... + 937489702.

It is an arithmetic number, because the mean of its divisors is an integer number (517221505080).

Almost surely, 2^{65679011774992} 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 65679011774992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82755440812800).

65679011774992 is an abundant number, since it is smaller than the sum of its proper divisors (99831869850608).

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

65679011774992 is a wasteful number, since it uses less digits than its factorization.

65679011774992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70447 (or 70427 counting only the distinct ones).

The product of its (nonzero) digits is 360067680, while the sum is 73.

The spelling of 65679011774992 in words is "sixty-five trillion, six hundred seventy-nine billion, eleven million, seven hundred seventy-four thousand, nine hundred ninety-two".