40304664163 has 2 divisors, whose sum is σ = 40304664164. Its totient is φ = 40304664162.

The previous prime is 40304664161. The next prime is 40304664187. The reversal of 40304664163 is 36146640304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40304664163 - 2¹ = 40304664161 is a prime.

Together with 40304664161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40304664161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20152332081 + 20152332082.

It is an arithmetic number, because the mean of its divisors is an integer number (20152332082).

Almost surely, 2^40304664163 is an apocalyptic number.

40304664163 is a deficient number, since it is larger than the sum of its proper divisors (1).

40304664163 is an equidigital number, since it uses as much as digits as its factorization.

40304664163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 40304664163 in words is "forty billion, three hundred four million, six hundred sixty-four thousand, one hundred sixty-three".