41660191 has 8 divisors (see below), whose sum is σ = 42205184. Its totient is φ = 41118840.

The previous prime is 41660159. The next prime is 41660197. The reversal of 41660191 is 19106614.

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

It is a cyclic number.

It is not a de Polignac number, because 41660191 - 2⁵ = 41660159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41660197) 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, 27586 + ... + 29056.

It is an arithmetic number, because the mean of its divisors is an integer number (5275648).

Almost surely, 2^41660191 is an apocalyptic number.

41660191 is a deficient number, since it is larger than the sum of its proper divisors (544993).

41660191 is a wasteful number, since it uses less digits than its factorization.

41660191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 41660191 is about 6454.4706212051. The cubic root of 41660191 is about 346.6626763388.

The spelling of 41660191 in words is "forty-one million, six hundred sixty thousand, one hundred ninety-one".