160891588430897 has 4 divisors (see below), whose sum is σ = 160891621810800. Its totient is φ = 160891555050996.

The previous prime is 160891588430893. The next prime is 160891588430957. The reversal of 160891588430897 is 798034885198061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 160891588430897 - 2² = 160891588430893 is a prime.

It is a super-2 number, since 2×160891588430897² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160891588430893) 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, 7925903 + ... + 19611300.

It is an arithmetic number, because the mean of its divisors is an integer number (40222905452700).

Almost surely, 2^{160891588430897} is an apocalyptic number.

It is an amenable number.

160891588430897 is a deficient number, since it is larger than the sum of its proper divisors (33379903).

160891588430897 is an equidigital number, since it uses as much as digits as its factorization.

160891588430897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33379902.

The product of its (nonzero) digits is 836075520, while the sum is 77.

The spelling of 160891588430897 in words is "one hundred sixty trillion, eight hundred ninety-one billion, five hundred eighty-eight million, four hundred thirty thousand, eight hundred ninety-seven".