163601250431144 has 8 divisors (see below), whose sum is σ = 306752344558410. Its totient is φ = 81800625215568.

The previous prime is 163601250431071. The next prime is 163601250431153. The reversal of 163601250431144 is 441134052106361.

163601250431144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 155009023868644 + 8592226562500 = 12450262^2 + 2931250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10225078151939 + ... + 10225078151954.

Almost surely, 2^{163601250431144} is an apocalyptic number.

It is an amenable number.

163601250431144 is a deficient number, since it is larger than the sum of its proper divisors (143151094127266).

163601250431144 is a wasteful number, since it uses less digits than its factorization.

163601250431144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20450156303899 (or 20450156303895 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 163601250431144 in words is "one hundred sixty-three trillion, six hundred one billion, two hundred fifty million, four hundred thirty-one thousand, one hundred forty-four".