641611116146 has 32 divisors (see below), whose sum is σ = 1292195818368. Its totient is φ = 230749251840.

The previous prime is 641611116119. The next prime is 641611116161.

641611116146 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160240535 + ... + 160244538.

It is an arithmetic number, because the mean of its divisors is an integer number (40381119324).

Almost surely, 2^641611116146 is an apocalyptic number.

641611116146 is an abundant number, since it is smaller than the sum of its proper divisors (650584702222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641611116146 is a wasteful number, since it uses less digits than its factorization.

641611116146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320485106.

The product of its digits is 20736, while the sum is 38.

It can be divided in two parts, 641611 and 116146, that added together give a palindrome (757757).

The spelling of 641611116146 in words is "six hundred forty-one billion, six hundred eleven million, one hundred sixteen thousand, one hundred forty-six".