108644166640403 has 32 divisors (see below), whose sum is σ = 118123446302400. Its totient is φ = 99679926398976.

The previous prime is 108644166640333. The next prime is 108644166640409. The reversal of 108644166640403 is 304046661446801.

It is not a de Polignac number, because 108644166640403 - 2⁸ = 108644166640147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108644166640409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 523712363 + ... + 523919771.

It is an arithmetic number, because the mean of its divisors is an integer number (3691357696950).

Almost surely, 2^{108644166640403} is an apocalyptic number.

108644166640403 is a deficient number, since it is larger than the sum of its proper divisors (9479279661997).

108644166640403 is a wasteful number, since it uses less digits than its factorization.

108644166640403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218871.

The product of its (nonzero) digits is 7962624, while the sum is 53.

The spelling of 108644166640403 in words is "one hundred eight trillion, six hundred forty-four billion, one hundred sixty-six million, six hundred forty thousand, four hundred three".