160640379901 has 2 divisors, whose sum is σ = 160640379902. Its totient is φ = 160640379900.

The previous prime is 160640379899. The next prime is 160640379943. The reversal of 160640379901 is 109973046061.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116877831876 + 43762548025 = 341874^2 + 209195^2 .

It is a cyclic number.

It is not a de Polignac number, because 160640379901 - 2¹ = 160640379899 is a prime.

Together with 160640379899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160640370901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80320189950 + 80320189951.

It is an arithmetic number, because the mean of its divisors is an integer number (80320189951).

Almost surely, 2^160640379901 is an apocalyptic number.

It is an amenable number.

160640379901 is a deficient number, since it is larger than the sum of its proper divisors (1).

160640379901 is an equidigital number, since it uses as much as digits as its factorization.

160640379901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 160640379901 in words is "one hundred sixty billion, six hundred forty million, three hundred seventy-nine thousand, nine hundred one".