108161756456 has 32 divisors (see below), whose sum is σ = 229898474400. Its totient is φ = 47293398720.

The previous prime is 108161756447. The next prime is 108161756497. The reversal of 108161756456 is 654657161801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27366890 + ... + 27370841.

It is an arithmetic number, because the mean of its divisors is an integer number (7184327325).

Almost surely, 2^108161756456 is an apocalyptic number.

It is an amenable number.

108161756456 is an abundant number, since it is smaller than the sum of its proper divisors (121736717944).

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

108161756456 is a wasteful number, since it uses less digits than its factorization.

108161756456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54737769 (or 54737765 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 108161756456 in words is "one hundred eight billion, one hundred sixty-one million, seven hundred fifty-six thousand, four hundred fifty-six".