64350611712 has 108 divisors (see below), whose sum is σ = 185836915264. Its totient is φ = 21415726080.

The previous prime is 64350611671. The next prime is 64350611723. The reversal of 64350611712 is 21711605346.

64350611712 is a `hidden beast` number, since 6 + 4 + 35 + 0 + 611 + 7 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1431693 + ... + 1475955.

Almost surely, 2^64350611712 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 64350611712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92918457632).

64350611712 is an abundant number, since it is smaller than the sum of its proper divisors (121486303552).

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

64350611712 is a wasteful number, since it uses less digits than its factorization.

64350611712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44916 (or 44899 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 64350611712 in words is "sixty-four billion, three hundred fifty million, six hundred eleven thousand, seven hundred twelve".