441837106558661 has 16 divisors (see below), whose sum is σ = 507373819584000. Its totient is φ = 380528766226800.

The previous prime is 441837106558649. The next prime is 441837106558663. The reversal of 441837106558661 is 166855601738144.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441837106558661 is a prime.

It is a super-2 number, since 2×441837106558661² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441837106558663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111406640 + ... + 115304438.

It is an arithmetic number, because the mean of its divisors is an integer number (31710863724000).

Almost surely, 2^{441837106558661} is an apocalyptic number.

It is an amenable number.

441837106558661 is a deficient number, since it is larger than the sum of its proper divisors (65536713025339).

441837106558661 is a wasteful number, since it uses less digits than its factorization.

441837106558661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440200.

The product of its (nonzero) digits is 116121600, while the sum is 65.

The spelling of 441837106558661 in words is "four hundred forty-one trillion, eight hundred thirty-seven billion, one hundred six million, five hundred fifty-eight thousand, six hundred sixty-one".