641165610103 has 2 divisors, whose sum is σ = 641165610104. Its totient is φ = 641165610102.

The previous prime is 641165610083. The next prime is 641165610119. The reversal of 641165610103 is 301016561146.

641165610103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 641165610103 - 2²⁵ = 641132055671 is a prime.

It is a super-2 number, since 2×641165610103² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (641165610403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320582805051 + 320582805052.

It is an arithmetic number, because the mean of its divisors is an integer number (320582805052).

Almost surely, 2^641165610103 is an apocalyptic number.

641165610103 is a deficient number, since it is larger than the sum of its proper divisors (1).

641165610103 is an equidigital number, since it uses as much as digits as its factorization.

641165610103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 641165610103 in words is "six hundred forty-one billion, one hundred sixty-five million, six hundred ten thousand, one hundred three".