64184755646664 has 192 divisors, whose sum is σ = 175241102400000. Its totient is φ = 21222435041280.

The previous prime is 64184755646623. The next prime is 64184755646689. The reversal of 64184755646664 is 46664655748146.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 64184755646592 and 64184755646601.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10973626012 + ... + 10973631860.

It is an arithmetic number, because the mean of its divisors is an integer number (912714075000).

Almost surely, 2^{64184755646664} is an apocalyptic number.

It is an amenable number.

64184755646664 is an abundant number, since it is smaller than the sum of its proper divisors (111056346753336).

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

64184755646664 is a wasteful number, since it uses less digits than its factorization.

64184755646664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8268 (or 8261 counting only the distinct ones).

The product of its digits is 2786918400, while the sum is 72.

The spelling of 64184755646664 in words is "sixty-four trillion, one hundred eighty-four billion, seven hundred fifty-five million, six hundred forty-six thousand, six hundred sixty-four".