641116535522 has 16 divisors (see below), whose sum is σ = 978039031680. Its totient is φ = 315104243472.

The previous prime is 641116535503. The next prime is 641116535533. The reversal of 641116535522 is 225535611146.

641116535522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641116535522² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 641116535522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695428 + ... + 2038800.

It is an arithmetic number, because the mean of its divisors is an integer number (61127439480).

Almost surely, 2^641116535522 is an apocalyptic number.

641116535522 is a deficient number, since it is larger than the sum of its proper divisors (336922496158).

641116535522 is a wasteful number, since it uses less digits than its factorization.

641116535522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359257.

The product of its digits is 216000, while the sum is 41.

The spelling of 641116535522 in words is "six hundred forty-one billion, one hundred sixteen million, five hundred thirty-five thousand, five hundred twenty-two".