41666466645 has 24 divisors (see below), whose sum is σ = 72228730392. Its totient is φ = 22220006400.

The previous prime is 41666466617. The next prime is 41666466719. The reversal of 41666466645 is 54666466614.

It can be written as a sum of positive squares in 4 ways, for example, as 12221965809 + 29444500836 = 110553^2 + 171594^2 .

It is not a de Polignac number, because 41666466645 - 2⁶ = 41666466581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41666466591 and 41666466600.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 513025 + ... + 588665.

It is an arithmetic number, because the mean of its divisors is an integer number (3009530433).

Almost surely, 2^41666466645 is an apocalyptic number.

41666466645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

41666466645 is a deficient number, since it is larger than the sum of its proper divisors (30562263747).

41666466645 is a wasteful number, since it uses less digits than its factorization.

41666466645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87893 (or 87890 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 54.

The spelling of 41666466645 in words is "forty-one billion, six hundred sixty-six million, four hundred sixty-six thousand, six hundred forty-five".