163144052633556 has 72 divisors (see below), whose sum is σ = 440374009420800. Its totient is φ = 50812385682240.

The previous prime is 163144052633539. The next prime is 163144052633557. The reversal of 163144052633556 is 655336250441361.

163144052633556 is a `hidden beast` number, since 1 + 6 + 3 + 1 + 4 + 4 + 0 + 52 + 6 + 33 + 556 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163144052633557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2520423276 + ... + 2520488003.

It is an arithmetic number, because the mean of its divisors is an integer number (6116305686400).

Almost surely, 2^{163144052633556} is an apocalyptic number.

It is an amenable number.

163144052633556 is an abundant number, since it is smaller than the sum of its proper divisors (277229956787244).

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

163144052633556 is a wasteful number, since it uses less digits than its factorization.

163144052633556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040911349 (or 5040911344 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 54.

The spelling of 163144052633556 in words is "one hundred sixty-three trillion, one hundred forty-four billion, fifty-two million, six hundred thirty-three thousand, five hundred fifty-six".