160006132561 has 4 divisors (see below), whose sum is σ = 174552144624. Its totient is φ = 145460120500.

The previous prime is 160006132541. The next prime is 160006132577. The reversal of 160006132561 is 165231600061.

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: 165231600061 = 11 ⋅15021054551.

It is a cyclic number.

It is not a de Polignac number, because 160006132561 - 2³³ = 151416197969 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (160006132541) 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, 7273006015 + ... + 7273006036.

It is an arithmetic number, because the mean of its divisors is an integer number (43638036156).

Almost surely, 2^160006132561 is an apocalyptic number.

160006132561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

160006132561 is a deficient number, since it is larger than the sum of its proper divisors (14546012063).

160006132561 is a wasteful number, since it uses less digits than its factorization.

160006132561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14546012062.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 160006132561 in words is "one hundred sixty billion, six million, one hundred thirty-two thousand, five hundred sixty-one".