20141660191 has 2 divisors, whose sum is σ = 20141660192. Its totient is φ = 20141660190.

The previous prime is 20141660183. The next prime is 20141660213. The reversal of 20141660191 is 19106614102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20141660191 - 2³ = 20141660183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20141660111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10070830095 + 10070830096.

It is an arithmetic number, because the mean of its divisors is an integer number (10070830096).

Almost surely, 2^20141660191 is an apocalyptic number.

20141660191 is a deficient number, since it is larger than the sum of its proper divisors (1).

20141660191 is an equidigital number, since it uses as much as digits as its factorization.

20141660191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 20141660191 in words is "twenty billion, one hundred forty-one million, six hundred sixty thousand, one hundred ninety-one".