108162555638 has 8 divisors (see below), whose sum is σ = 167477505600. Its totient is φ = 52336720440.

The previous prime is 108162555619. The next prime is 108162555649. The reversal of 108162555638 is 836555261801.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872278613 + ... + 872278736.

It is an arithmetic number, because the mean of its divisors is an integer number (20934688200).

Almost surely, 2^108162555638 is an apocalyptic number.

108162555638 is a deficient number, since it is larger than the sum of its proper divisors (59314949962).

108162555638 is a wasteful number, since it uses less digits than its factorization.

108162555638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744557382.

The product of its (nonzero) digits is 1728000, while the sum is 50.

The spelling of 108162555638 in words is "one hundred eight billion, one hundred sixty-two million, five hundred fifty-five thousand, six hundred thirty-eight".