64683190960128 has 450 divisors, whose sum is σ = 209254314239124. Its totient is φ = 19902451286016.

The previous prime is 64683190960127. The next prime is 64683190960163. The reversal of 64683190960128 is 82106909138646.

64683190960128 is a `hidden beast` number, since 6 + 4 + 6 + 8 + 3 + 19 + 0 + 9 + 601 + 2 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (64683190960127) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 224136375 + ... + 224424777.

Almost surely, 2^{64683190960128} 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 64683190960128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104627157119562).

64683190960128 is an abundant number, since it is smaller than the sum of its proper divisors (144571123278996).

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

64683190960128 is an equidigital number, since it uses as much as digits as its factorization.

64683190960128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288469 (or 288421 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 64683190960128 in words is "sixty-four trillion, six hundred eighty-three billion, one hundred ninety million, nine hundred sixty thousand, one hundred twenty-eight".