641266662146 has 8 divisors (see below), whose sum is σ = 1049345447184. Its totient is φ = 291484846420.

The previous prime is 641266662121. The next prime is 641266662151.

641266662146 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×641266662146² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641266662094 and 641266662103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14574242300 + ... + 14574242343.

It is an arithmetic number, because the mean of its divisors is an integer number (131168180898).

Almost surely, 2^641266662146 is an apocalyptic number.

641266662146 is a deficient number, since it is larger than the sum of its proper divisors (408078785038).

641266662146 is a wasteful number, since it uses less digits than its factorization.

641266662146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29148484656.

The product of its digits is 2985984, while the sum is 50.

The spelling of 641266662146 in words is "six hundred forty-one billion, two hundred sixty-six million, six hundred sixty-two thousand, one hundred forty-six".