64474146046368 has 144 divisors (see below), whose sum is σ = 191035250733600. Its totient is φ = 20601016773120.

The previous prime is 64474146046367. The next prime is 64474146046421. The reversal of 64474146046368 is 86364064147446.

64474146046368 is a `hidden beast` number, since 6 + 4 + 4 + 7 + 4 + 14 + 604 + 6 + 3 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (64474146046363) 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 23 ways as a sum of consecutive naturals, for example, 26607438 + ... + 28929293.

It is an arithmetic number, because the mean of its divisors is an integer number (1326633685650).

Almost surely, 2^{64474146046368} is an apocalyptic number.

It is an amenable number.

64474146046368 is an abundant number, since it is smaller than the sum of its proper divisors (126561104687232).

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

64474146046368 is a wasteful number, since it uses less digits than its factorization.

64474146046368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55536915 (or 55536904 counting only the distinct ones).

The product of its (nonzero) digits is 222953472, while the sum is 63.

The spelling of 64474146046368 in words is "sixty-four trillion, four hundred seventy-four billion, one hundred forty-six million, forty-six thousand, three hundred sixty-eight".