190481166163 has 4 divisors (see below), whose sum is σ = 190823143680. Its totient is φ = 190139188648.

The previous prime is 190481166061. The next prime is 190481166167. The reversal of 190481166163 is 361661184091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361661184091 = 9221 ⋅39221471.

It is a cyclic number.

It is not a de Polignac number, because 190481166163 - 2¹⁷ = 190481035091 is a prime.

It is a super-2 number, since 2×190481166163² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190481166167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170987923 + ... + 170989036.

It is an arithmetic number, because the mean of its divisors is an integer number (47705785920).

Almost surely, 2^190481166163 is an apocalyptic number.

190481166163 is a deficient number, since it is larger than the sum of its proper divisors (341977517).

190481166163 is an equidigital number, since it uses as much as digits as its factorization.

190481166163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341977516.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 190481166163 in words is "one hundred ninety billion, four hundred eighty-one million, one hundred sixty-six thousand, one hundred sixty-three".