160165313121 has 16 divisors (see below), whose sum is σ = 233022993408. Its totient is φ = 97046859600.

The previous prime is 160165313111. The next prime is 160165313167. The reversal of 160165313121 is 121313561061.

It is not a de Polignac number, because 160165313121 - 2¹⁸ = 160165050977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (160165313111) 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 15 ways as a sum of consecutive naturals, for example, 433941 + ... + 713186.

It is an arithmetic number, because the mean of its divisors is an integer number (14563937088).

Almost surely, 2^160165313121 is an apocalyptic number.

160165313121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

160165313121 is a deficient number, since it is larger than the sum of its proper divisors (72857680287).

160165313121 is a wasteful number, since it uses less digits than its factorization.

160165313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151372.

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

Adding to 160165313121 its reverse (121313561061), we get a palindrome (281478874182).

The spelling of 160165313121 in words is "one hundred sixty billion, one hundred sixty-five million, three hundred thirteen thousand, one hundred twenty-one".