4638666107536 has 40 divisors (see below), whose sum is σ = 9521936851680. Its totient is φ = 2181559816704.

The previous prime is 4638666107521. The next prime is 4638666107539. The reversal of 4638666107536 is 6357016668364.

It is not an unprimeable number, because it can be changed into a prime (4638666107539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4798366 + ... + 5683453.

It is an arithmetic number, because the mean of its divisors is an integer number (238048421292).

Almost surely, 2^{4638666107536} is an apocalyptic number.

It is an amenable number.

4638666107536 is an abundant number, since it is smaller than the sum of its proper divisors (4883270744144).

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

4638666107536 is a wasteful number, since it uses less digits than its factorization.

4638666107536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10483471 (or 10483465 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 61.

The spelling of 4638666107536 in words is "four trillion, six hundred thirty-eight billion, six hundred sixty-six million, one hundred seven thousand, five hundred thirty-six".