160209009 has 20 divisors (see below), whose sum is σ = 239667120. Its totient is φ = 106653240.

The previous prime is 160208999. The next prime is 160209019. The reversal of 160209009 is 900902061.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (160208999) and next prime (160209019).

It is not a de Polignac number, because 160209009 - 2¹¹ = 160206961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (160209019) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 101194 + ... + 102764.

It is an arithmetic number, because the mean of its divisors is an integer number (11983356).

Almost surely, 2^160209009 is an apocalyptic number.

It is an amenable number.

160209009 is a deficient number, since it is larger than the sum of its proper divisors (79458111).

160209009 is a wasteful number, since it uses less digits than its factorization.

160209009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842 (or 2833 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 160209009 is about 12657.3697504655. The cubic root of 160209009 is about 543.1198111739.

The spelling of 160209009 in words is "one hundred sixty million, two hundred nine thousand, nine".