162160509 has 32 divisors (see below), whose sum is σ = 252610816. Its totient is φ = 90616320.

The previous prime is 162160483. The next prime is 162160513. The reversal of 162160509 is 905061261.

It is not a de Polignac number, because 162160509 - 2⁵ = 162160477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162160589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354609 + ... + 355065.

It is an arithmetic number, because the mean of its divisors is an integer number (7894088).

Almost surely, 2^162160509 is an apocalyptic number.

It is an amenable number.

162160509 is a deficient number, since it is larger than the sum of its proper divisors (90450307).

162160509 is a wasteful number, since it uses less digits than its factorization.

162160509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 162160509 is about 12734.2258893111. The cubic root of 162160509 is about 545.3161580568.

The spelling of 162160509 in words is "one hundred sixty-two million, one hundred sixty thousand, five hundred nine".