641160041 has 6 divisors (see below), whose sum is σ = 655094250. Its totient is φ = 627516176.

The previous prime is 641160031. The next prime is 641160059. The reversal of 641160041 is 140061146.

It can be written as a sum of positive squares in only one way, i.e., 625200016 + 15960025 = 25004^2 + 3995^2 .

It is not a de Polignac number, because 641160041 - 2²² = 636965737 is a prime.

It is a super-2 number, since 2×641160041² = 822172396350243362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 641159989 and 641160016.

It is not an unprimeable number, because it can be changed into a prime (641160031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142916 + ... + 147333.

It is an arithmetic number, because the mean of its divisors is an integer number (109182375).

Almost surely, 2^641160041 is an apocalyptic number.

It is an amenable number.

641160041 is a deficient number, since it is larger than the sum of its proper divisors (13934209).

641160041 is an equidigital number, since it uses as much as digits as its factorization.

641160041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290343 (or 290296 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 641160041 is about 25321.1382248113. The cubic root of 641160041 is about 862.2942351970.

The spelling of 641160041 in words is "six hundred forty-one million, one hundred sixty thousand, forty-one".