160509983 has 4 divisors (see below), whose sum is σ = 166044840. Its totient is φ = 154975128.

The previous prime is 160509953. The next prime is 160509997. The reversal of 160509983 is 389905061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 160509983 - 2¹² = 160505887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 160509983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160509953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2767385 + ... + 2767442.

It is an arithmetic number, because the mean of its divisors is an integer number (41511210).

Almost surely, 2^160509983 is an apocalyptic number.

160509983 is a deficient number, since it is larger than the sum of its proper divisors (5534857).

160509983 is an equidigital number, since it uses as much as digits as its factorization.

160509983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5534856.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 160509983 is about 12669.2534507760. The cubic root of 160509983 is about 543.4597060945.

The spelling of 160509983 in words is "one hundred sixty million, five hundred nine thousand, nine hundred eighty-three".