41666686 has 4 divisors (see below), whose sum is σ = 62500032. Its totient is φ = 20833342.

The previous prime is 41666683. The next prime is 41666689. The reversal of 41666686 is 68666614.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (41666683) and next prime (41666689).

It is a super-2 number, since 2×41666686² = 3472225444445192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41666683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10416670 + ... + 10416673.

It is an arithmetic number, because the mean of its divisors is an integer number (15625008).

Almost surely, 2^41666686 is an apocalyptic number.

41666686 is a deficient number, since it is larger than the sum of its proper divisors (20833346).

41666686 is a wasteful number, since it uses less digits than its factorization.

41666686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20833345.

The product of its digits is 248832, while the sum is 43.

The square root of 41666686 is about 6454.9737412324. The cubic root of 41666686 is about 346.6806907952.

The spelling of 41666686 in words is "forty-one million, six hundred sixty-six thousand, six hundred eighty-six".