41161666 has 24 divisors (see below), whose sum is σ = 77350140. Its totient is φ = 16283232.

The previous prime is 41161633. The next prime is 41161667. The reversal of 41161666 is 66616114.

It can be written as a sum of positive squares in 2 ways, for example, as 41024025 + 137641 = 6405^2 + 371^2 .

It is not an unprimeable number, because it can be changed into a prime (41161667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14881 + ... + 17428.

Almost surely, 2^41161666 is an apocalyptic number.

41161666 is a deficient number, since it is larger than the sum of its proper divisors (36188474).

41161666 is a wasteful number, since it uses less digits than its factorization.

41161666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32338 (or 32331 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 41161666 is about 6415.7358112690. The cubic root of 41161666 is about 345.2743487440.

The spelling of 41161666 in words is "forty-one million, one hundred sixty-one thousand, six hundred sixty-six".