161333871063 has 8 divisors (see below), whose sum is σ = 215114781168. Its totient is φ = 107554437504.

The previous prime is 161333871029. The next prime is 161333871079. The reversal of 161333871063 is 360178333161.

161333871063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 161333871063 - 2¹⁰ = 161333870039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161333870063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82356 + ... + 573977.

It is an arithmetic number, because the mean of its divisors is an integer number (26889347646).

Almost surely, 2^161333871063 is an apocalyptic number.

161333871063 is a deficient number, since it is larger than the sum of its proper divisors (53780910105).

161333871063 is an equidigital number, since it uses as much as digits as its factorization.

161333871063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738273.

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 161333871063 in words is "one hundred sixty-one billion, three hundred thirty-three million, eight hundred seventy-one thousand, sixty-three".