163144052600566 has 4 divisors (see below), whose sum is σ = 244716078900852. Its totient is φ = 81572026300282.

The previous prime is 163144052600539. The next prime is 163144052600597. The reversal of 163144052600566 is 665006250441361.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40786013150140 + ... + 40786013150143.

It is an arithmetic number, because the mean of its divisors is an integer number (61179019725213).

Almost surely, 2^{163144052600566} is an apocalyptic number.

163144052600566 is a deficient number, since it is larger than the sum of its proper divisors (81572026300286).

163144052600566 is an equidigital number, since it uses as much as digits as its factorization.

163144052600566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81572026300285.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 163144052600566 in words is "one hundred sixty-three trillion, one hundred forty-four billion, fifty-two million, six hundred thousand, five hundred sixty-six".