1601260159 has 4 divisors (see below), whose sum is σ = 1601987904. Its totient is φ = 1600532416.

The previous prime is 1601260127. The next prime is 1601260163. The reversal of 1601260159 is 9510621061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1601260159 - 2⁵ = 1601260127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1601260159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601260459) 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, 360562 + ... + 364975.

It is an arithmetic number, because the mean of its divisors is an integer number (400496976).

Almost surely, 2^1601260159 is an apocalyptic number.

1601260159 is a deficient number, since it is larger than the sum of its proper divisors (727745).

1601260159 is an equidigital number, since it uses as much as digits as its factorization.

1601260159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727744.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 1601260159 is about 40015.7488871569. The cubic root of 1601260159 is about 1169.9140753126.

The spelling of 1601260159 in words is "one billion, six hundred one million, two hundred sixty thousand, one hundred fifty-nine".