194160969 has 10 divisors (see below), whose sum is σ = 290043050. Its totient is φ = 129440592.

The previous prime is 194160949. The next prime is 194161021. The reversal of 194160969 is 969061491.

It can be written as a sum of positive squares in only one way, i.e., 151585344 + 42575625 = 12312^2 + 6525^2 .

It is not a de Polignac number, because 194160969 - 2²³ = 185772361 is a prime.

It is a super-2 number, since 2×194160969² = 75396963766037922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194160929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1198444 + ... + 1198605.

It is an arithmetic number, because the mean of its divisors is an integer number (29004305).

Almost surely, 2^194160969 is an apocalyptic number.

It is an amenable number.

194160969 is a deficient number, since it is larger than the sum of its proper divisors (95882081).

194160969 is an equidigital number, since it uses as much as digits as its factorization.

194160969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397061 (or 2397052 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 194160969 is about 13934.1655293742. The cubic root of 194160969 is about 579.0561034524.

The spelling of 194160969 in words is "one hundred ninety-four million, one hundred sixty thousand, nine hundred sixty-nine".