41666025260661 has 16 divisors (see below), whose sum is σ = 55785692941440. Its totient is φ = 27661855841280.

The previous prime is 41666025260653. The next prime is 41666025260677. The reversal of 41666025260661 is 16606252066614.

It is not a de Polignac number, because 41666025260661 - 2³ = 41666025260653 is a prime.

It is a super-2 number, since 2×41666025260661² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41666025260621) 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, 140368960 + ... + 140665478.

It is an arithmetic number, because the mean of its divisors is an integer number (3486605808840).

Almost surely, 2^{41666025260661} is an apocalyptic number.

It is an amenable number.

41666025260661 is a deficient number, since it is larger than the sum of its proper divisors (14119667680779).

41666025260661 is a wasteful number, since it uses less digits than its factorization.

41666025260661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491116.

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 41666025260661 in words is "forty-one trillion, six hundred sixty-six billion, twenty-five million, two hundred sixty thousand, six hundred sixty-one".