41660914891 has 2 divisors, whose sum is σ = 41660914892. Its totient is φ = 41660914890.

The previous prime is 41660914877. The next prime is 41660914913. The reversal of 41660914891 is 19841906614.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41660914891 - 2¹³ = 41660906699 is a prime.

It is not a weakly prime, because it can be changed into another prime (41660914811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20830457445 + 20830457446.

It is an arithmetic number, because the mean of its divisors is an integer number (20830457446).

Almost surely, 2^41660914891 is an apocalyptic number.

41660914891 is a deficient number, since it is larger than the sum of its proper divisors (1).

41660914891 is an equidigital number, since it uses as much as digits as its factorization.

41660914891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 41660914891 in words is "forty-one billion, six hundred sixty million, nine hundred fourteen thousand, eight hundred ninety-one".