185117420031448 has 16 divisors (see below), whose sum is σ = 347095539904680. Its totient is φ = 92558609390208.

The previous prime is 185117420031409. The next prime is 185117420031451. The reversal of 185117420031448 is 844130024711581.

185117420031448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4450686 + ... + 19749517.

Almost surely, 2^{185117420031448} is an apocalyptic number.

It is an amenable number.

185117420031448 is a deficient number, since it is larger than the sum of its proper divisors (161978119873232).

185117420031448 is a wasteful number, since it uses less digits than its factorization.

185117420031448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25156386 (or 25156382 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 49.

The spelling of 185117420031448 in words is "one hundred eighty-five trillion, one hundred seventeen billion, four hundred twenty million, thirty-one thousand, four hundred forty-eight".