641141154466 has 16 divisors (see below), whose sum is σ = 969128360640. Its totient is φ = 318098748240.

The previous prime is 641141154443. The next prime is 641141154499. The reversal of 641141154466 is 664451141146.

641141154466 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 2×641141154466² (a number of 24 digits) contains 22 as substring.

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, 3548140 + ... + 3724456.

It is an arithmetic number, because the mean of its divisors is an integer number (60570522540).

Almost surely, 2^641141154466 is an apocalyptic number.

641141154466 is a deficient number, since it is larger than the sum of its proper divisors (327987206174).

641141154466 is a wasteful number, since it uses less digits than its factorization.

641141154466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190329.

The product of its digits is 276480, while the sum is 43.

The spelling of 641141154466 in words is "six hundred forty-one billion, one hundred forty-one million, one hundred fifty-four thousand, four hundred sixty-six".