159936006401 has 2 divisors, whose sum is σ = 159936006402. Its totient is φ = 159936006400.

The previous prime is 159936006313. The next prime is 159936006491. The reversal of 159936006401 is 104600639951.

It is a Cunningham number, because it is equal to 399920²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159936006400 + 1 = 399920^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 159936006401 - 2¹⁸ = 159935744257 is a prime.

It is a super-2 number, since 2×159936006401² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (159936006491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79968003200 + 79968003201.

It is an arithmetic number, because the mean of its divisors is an integer number (79968003201).

Almost surely, 2^159936006401 is an apocalyptic number.

It is an amenable number.

159936006401 is a deficient number, since it is larger than the sum of its proper divisors (1).

159936006401 is an equidigital number, since it uses as much as digits as its factorization.

159936006401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 159936006401 in words is "one hundred fifty-nine billion, nine hundred thirty-six million, six thousand, four hundred one".