196169992 has 16 divisors (see below), whose sum is σ = 368630460. Its totient is φ = 97868544.

The previous prime is 196169983. The next prime is 196169993. The reversal of 196169992 is 299961691.

It can be written as a sum of positive squares in 2 ways, for example, as 174398436 + 21771556 = 13206^2 + 4666^2 .

It is a super-2 number, since 2×196169992² = 76965331522560128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (196169993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23173 + ... + 30484.

Almost surely, 2^196169992 is an apocalyptic number.

It is an amenable number.

196169992 is a deficient number, since it is larger than the sum of its proper divisors (172460468).

196169992 is a wasteful number, since it uses less digits than its factorization.

196169992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54120 (or 54116 counting only the distinct ones).

The product of its digits is 472392, while the sum is 52.

The square root of 196169992 is about 14006.0698270428. The cubic root of 196169992 is about 581.0464580109.

The spelling of 196169992 in words is "one hundred ninety-six million, one hundred sixty-nine thousand, nine hundred ninety-two".