160553161 has 4 divisors (see below), whose sum is σ = 160701952. Its totient is φ = 160404372.

The previous prime is 160553153. The next prime is 160553167. The reversal of 160553161 is 161355061.

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, and also an emirpimes, since its reverse is a distinct semiprime: 161355061 = 7 ⋅23050723.

It is a cyclic number.

It is not a de Polignac number, because 160553161 - 2³ = 160553153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160553167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72765 + ... + 74938.

It is an arithmetic number, because the mean of its divisors is an integer number (40175488).

Almost surely, 2^160553161 is an apocalyptic number.

It is an amenable number.

160553161 is a deficient number, since it is larger than the sum of its proper divisors (148791).

160553161 is a wasteful number, since it uses less digits than its factorization.

160553161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148790.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 160553161 is about 12670.9573829289. The cubic root of 160553161 is about 543.5084328652.

The spelling of 160553161 in words is "one hundred sixty million, five hundred fifty-three thousand, one hundred sixty-one".