159960401 has 2 divisors, whose sum is σ = 159960402. Its totient is φ = 159960400.

The previous prime is 159960397. The next prime is 159960421. The reversal of 159960401 is 104069951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100300225 + 59660176 = 10015^2 + 7724^2 .

It is a cyclic number.

It is not a de Polignac number, because 159960401 - 2² = 159960397 is a prime.

It is not a weakly prime, because it can be changed into another prime (159960421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79980200 + 79980201.

It is an arithmetic number, because the mean of its divisors is an integer number (79980201).

Almost surely, 2^159960401 is an apocalyptic number.

It is an amenable number.

159960401 is a deficient number, since it is larger than the sum of its proper divisors (1).

159960401 is an equidigital number, since it uses as much as digits as its factorization.

159960401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 159960401 is about 12647.5452558985. The cubic root of 159960401 is about 542.8387328640.

The spelling of 159960401 in words is "one hundred fifty-nine million, nine hundred sixty thousand, four hundred one".