641684486146 has 16 divisors (see below), whose sum is σ = 1052133444000. Its totient is φ = 291090242880.

The previous prime is 641684486119. The next prime is 641684486171.

It is a happy number.

641684486146 is nontrivially palindromic in base 10.

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, 29214951 + ... + 29236906.

It is an arithmetic number, because the mean of its divisors is an integer number (65758340250).

Almost surely, 2^641684486146 is an apocalyptic number.

641684486146 is a deficient number, since it is larger than the sum of its proper divisors (410448957854).

641684486146 is a wasteful number, since it uses less digits than its factorization.

641684486146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58452369.

The product of its digits is 21233664, while the sum is 58.

The spelling of 641684486146 in words is "six hundred forty-one billion, six hundred eighty-four million, four hundred eighty-six thousand, one hundred forty-six".