108344668661655 has 16 divisors (see below), whose sum is σ = 173351711887200. Its totient is φ = 57783742610048.

The previous prime is 108344668661623. The next prime is 108344668661687. The reversal of 108344668661655 is 556166866443801.

It is an interprime number because it is at equal distance from previous prime (108344668661623) and next prime (108344668661687).

It is a cyclic number.

It is not a de Polignac number, because 108344668661655 - 2⁵ = 108344668661623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108344668661655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6984949 + ... + 16293521.

It is an arithmetic number, because the mean of its divisors is an integer number (10834481992950).

Almost surely, 2^{108344668661655} is an apocalyptic number.

108344668661655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

108344668661655 is a deficient number, since it is larger than the sum of its proper divisors (65007043225545).

108344668661655 is an equidigital number, since it uses as much as digits as its factorization.

108344668661655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10084530.

The product of its (nonzero) digits is 597196800, while the sum is 69.

The spelling of 108344668661655 in words is "one hundred eight trillion, three hundred forty-four billion, six hundred sixty-eight million, six hundred sixty-one thousand, six hundred fifty-five".