41664120646 has 16 divisors (see below), whose sum is σ = 63126196560. Its totient is φ = 20622128800.

The previous prime is 41664120601. The next prime is 41664120697. The reversal of 41664120646 is 64602146614.

It is a junction number, because it is equal to n+sod(n) for n = 41664120599 and 41664120608.

It is a congruent number.

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, 1382325 + ... + 1412143.

It is an arithmetic number, because the mean of its divisors is an integer number (3945387285).

Almost surely, 2^41664120646 is an apocalyptic number.

41664120646 is a deficient number, since it is larger than the sum of its proper divisors (21462075914).

41664120646 is a wasteful number, since it uses less digits than its factorization.

41664120646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36839.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 41664120646 in words is "forty-one billion, six hundred sixty-four million, one hundred twenty thousand, six hundred forty-six".