163146721159 has 4 divisors (see below), whose sum is σ = 163149303240. Its totient is φ = 163144139080.

The previous prime is 163146721141. The next prime is 163146721181. The reversal of 163146721159 is 951127641361.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163146721159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163146761159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193824 + ... + 1323445.

It is an arithmetic number, because the mean of its divisors is an integer number (40787325810).

Almost surely, 2^163146721159 is an apocalyptic number.

163146721159 is a deficient number, since it is larger than the sum of its proper divisors (2582081).

163146721159 is an equidigital number, since it uses as much as digits as its factorization.

163146721159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582080.

The product of its digits is 272160, while the sum is 46.

The spelling of 163146721159 in words is "one hundred sixty-three billion, one hundred forty-six million, seven hundred twenty-one thousand, one hundred fifty-nine".