64372758912 has 384 divisors, whose sum is σ = 238674777600. Its totient is φ = 16719436800.

The previous prime is 64372758851. The next prime is 64372758959. The reversal of 64372758912 is 21985727346.

It is a happy number.

64372758912 is a `hidden beast` number, since 6 + 4 + 37 + 27 + 589 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 2916237 + ... + 2938227.

It is an arithmetic number, because the mean of its divisors is an integer number (621548900).

Almost surely, 2^64372758912 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 64372758912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119337388800).

64372758912 is an abundant number, since it is smaller than the sum of its proper divisors (174302018688).

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

64372758912 is a wasteful number, since it uses less digits than its factorization.

64372758912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22043 (or 22014 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 64372758912 in words is "sixty-four billion, three hundred seventy-two million, seven hundred fifty-eight thousand, nine hundred twelve".