41666631 has 8 divisors (see below), whose sum is σ = 55659264. Its totient is φ = 27725880.

The previous prime is 41666629. The next prime is 41666633. The reversal of 41666631 is 13666614.

It is an interprime number because it is at equal distance from previous prime (41666629) and next prime (41666633).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 41666631 - 2¹ = 41666629 is a prime.

It is a super-3 number, since 3×41666631³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 41666592 and 41666601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41666633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11055 + ... + 14336.

It is an arithmetic number, because the mean of its divisors is an integer number (6957408).

Almost surely, 2^41666631 is an apocalyptic number.

41666631 is a deficient number, since it is larger than the sum of its proper divisors (13992633).

41666631 is a wasteful number, since it uses less digits than its factorization.

41666631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25941.

The product of its digits is 15552, while the sum is 33.

The square root of 41666631 is about 6454.9694809503. The cubic root of 41666631 is about 346.6805382557.

The spelling of 41666631 in words is "forty-one million, six hundred sixty-six thousand, six hundred thirty-one".