190486169 has 2 divisors, whose sum is σ = 190486170. Its totient is φ = 190486168.

The previous prime is 190486147. The next prime is 190486189. The reversal of 190486169 is 961684091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97614400 + 92871769 = 9880^2 + 9637^2 .

It is a cyclic number.

It is not a de Polignac number, because 190486169 - 2²⁰ = 189437593 is a prime.

It is a super-2 number, since 2×190486169² = 72569961160593122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190486189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95243084 + 95243085.

It is an arithmetic number, because the mean of its divisors is an integer number (95243085).

Almost surely, 2^190486169 is an apocalyptic number.

It is an amenable number.

190486169 is a deficient number, since it is larger than the sum of its proper divisors (1).

190486169 is an equidigital number, since it uses as much as digits as its factorization.

190486169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 190486169 is about 13801.6726884824. The cubic root of 190486169 is about 575.3796298327.

The spelling of 190486169 in words is "one hundred ninety million, four hundred eighty-six thousand, one hundred sixty-nine".