108665897437944 has 128 divisors (see below), whose sum is σ = 376332112396800. Its totient is φ = 28224908421120.

The previous prime is 108665897437919. The next prime is 108665897437957. The reversal of 108665897437944 is 449734798566801.

108665897437944 is a `hidden beast` number, since 1 + 0 + 8 + 6 + 6 + 5 + 8 + 97 + 437 + 94 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3266755177 + ... + 3266788440.

It is an arithmetic number, because the mean of its divisors is an integer number (2940094628100).

Almost surely, 2^{108665897437944} is an apocalyptic number.

108665897437944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

108665897437944 is an abundant number, since it is smaller than the sum of its proper divisors (267666214958856).

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

108665897437944 is a wasteful number, since it uses less digits than its factorization.

108665897437944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6533543650 (or 6533543640 counting only the distinct ones).

The product of its (nonzero) digits is 8778792960, while the sum is 81.

The spelling of 108665897437944 in words is "one hundred eight trillion, six hundred sixty-five billion, eight hundred ninety-seven million, four hundred thirty-seven thousand, nine hundred forty-four".