163144052633566 has 8 divisors (see below), whose sum is σ = 244885198566960. Its totient is φ = 81515653111248.

The previous prime is 163144052633557. The next prime is 163144052633657. The reversal of 163144052633566 is 665336250441361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28186599151 + ... + 28186604938.

It is an arithmetic number, because the mean of its divisors is an integer number (30610649820870).

Almost surely, 2^{163144052633566} is an apocalyptic number.

163144052633566 is a deficient number, since it is larger than the sum of its proper divisors (81741145933394).

163144052633566 is a wasteful number, since it uses less digits than its factorization.

163144052633566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56373205538.

The product of its (nonzero) digits is 27993600, while the sum is 55.

The spelling of 163144052633566 in words is "one hundred sixty-three trillion, one hundred forty-four billion, fifty-two million, six hundred thirty-three thousand, five hundred sixty-six".