160401438161 has 4 divisors (see below), whose sum is σ = 160404501924. Its totient is φ = 160398374400.

The previous prime is 160401438157. The next prime is 160401438163. The reversal of 160401438161 is 161834104061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161834104061 = 7 ⋅23119157723.

It can be written as a sum of positive squares in 2 ways, for example, as 138146765761 + 22254672400 = 371681^2 + 149180^2 .

It is a cyclic number.

It is not a de Polignac number, because 160401438161 - 2² = 160401438157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160401438163) 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, 1451960 + ... + 1558521.

It is an arithmetic number, because the mean of its divisors is an integer number (40101125481).

Almost surely, 2^160401438161 is an apocalyptic number.

It is an amenable number.

160401438161 is a deficient number, since it is larger than the sum of its proper divisors (3063763).

160401438161 is an equidigital number, since it uses as much as digits as its factorization.

160401438161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063762.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 160401438161 in words is "one hundred sixty billion, four hundred one million, four hundred thirty-eight thousand, one hundred sixty-one".