160505550401 has 4 divisors (see below), whose sum is σ = 183434914752. Its totient is φ = 137576186052.

The previous prime is 160505550397. The next prime is 160505550407. The reversal of 160505550401 is 104055505061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 160505550401 - 2² = 160505550397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (160505550407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11464682165 + ... + 11464682178.

It is an arithmetic number, because the mean of its divisors is an integer number (45858728688).

Almost surely, 2^160505550401 is an apocalyptic number.

It is an amenable number.

160505550401 is a deficient number, since it is larger than the sum of its proper divisors (22929364351).

160505550401 is an equidigital number, since it uses as much as digits as its factorization.

160505550401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22929364350.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 160505550401 in words is "one hundred sixty billion, five hundred five million, five hundred fifty thousand, four hundred one".