41670816991 has 2 divisors, whose sum is σ = 41670816992. Its totient is φ = 41670816990.

The previous prime is 41670816961. The next prime is 41670816997. The reversal of 41670816991 is 19961807614.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41670816991 - 2¹⁵ = 41670784223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41670816997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20835408495 + 20835408496.

It is an arithmetic number, because the mean of its divisors is an integer number (20835408496).

Almost surely, 2^41670816991 is an apocalyptic number.

41670816991 is a deficient number, since it is larger than the sum of its proper divisors (1).

41670816991 is an equidigital number, since it uses as much as digits as its factorization.

41670816991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 41670816991 in words is "forty-one billion, six hundred seventy million, eight hundred sixteen thousand, nine hundred ninety-one".