160742561 has 16 divisors (see below), whose sum is σ = 192077568. Its totient is φ = 131524800.

The previous prime is 160742551. The next prime is 160742623. The reversal of 160742561 is 165247061.

It is a cyclic number.

It is not a de Polignac number, because 160742561 - 2²⁶ = 93633697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160742501) 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 15 ways as a sum of consecutive naturals, for example, 150971 + ... + 152031.

It is an arithmetic number, because the mean of its divisors is an integer number (12004848).

Almost surely, 2^160742561 is an apocalyptic number.

It is an amenable number.

160742561 is a deficient number, since it is larger than the sum of its proper divisors (31335007).

160742561 is a wasteful number, since it uses less digits than its factorization.

160742561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 160742561 is about 12678.4289641895. The cubic root of 160742561 is about 543.7220693629.

The spelling of 160742561 in words is "one hundred sixty million, seven hundred forty-two thousand, five hundred sixty-one".