108639895166038 has 8 divisors (see below), whose sum is σ = 163403875019232. Its totient is φ = 54171936826296.

The previous prime is 108639895166003. The next prime is 108639895166069. The reversal of 108639895166038 is 830661598936801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74005377445 + ... + 74005378912.

It is an arithmetic number, because the mean of its divisors is an integer number (20425484377404).

Almost surely, 2^{108639895166038} is an apocalyptic number.

108639895166038 is a deficient number, since it is larger than the sum of its proper divisors (54763979853194).

108639895166038 is a wasteful number, since it uses less digits than its factorization.

108639895166038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148010756726.

The product of its (nonzero) digits is 403107840, while the sum is 73.

The spelling of 108639895166038 in words is "one hundred eight trillion, six hundred thirty-nine billion, eight hundred ninety-five million, one hundred sixty-six thousand, thirty-eight".