4608666866640 has 80 divisors (see below), whose sum is σ = 14293910131200. Its totient is φ = 1228371995136.

The previous prime is 4608666866623. The next prime is 4608666866723. The reversal of 4608666866640 is 466686668064.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 4245120 + ... + 5219039.

It is an arithmetic number, because the mean of its divisors is an integer number (178673876640).

Almost surely, 2^{4608666866640} is an apocalyptic number.

4608666866640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4608666866640 is an abundant number, since it is smaller than the sum of its proper divisors (9685243264560).

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

4608666866640 is a wasteful number, since it uses less digits than its factorization.

4608666866640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9466204 (or 9466198 counting only the distinct ones).

The product of its (nonzero) digits is 286654464, while the sum is 66.

The spelling of 4608666866640 in words is "four trillion, six hundred eight billion, six hundred sixty-six million, eight hundred sixty-six thousand, six hundred forty".