190148538163 has 2 divisors, whose sum is σ = 190148538164. Its totient is φ = 190148538162.

The previous prime is 190148538149. The next prime is 190148538191. The reversal of 190148538163 is 361835841091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 190148538163 - 2⁵ = 190148538131 is a prime.

It is not a weakly prime, because it can be changed into another prime (190148532163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95074269081 + 95074269082.

It is an arithmetic number, because the mean of its divisors is an integer number (95074269082).

Almost surely, 2^190148538163 is an apocalyptic number.

190148538163 is a deficient number, since it is larger than the sum of its proper divisors (1).

190148538163 is an equidigital number, since it uses as much as digits as its factorization.

190148538163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 190148538163 in words is "one hundred ninety billion, one hundred forty-eight million, five hundred thirty-eight thousand, one hundred sixty-three".