196669153 has 2 divisors, whose sum is σ = 196669154. Its totient is φ = 196669152.

The previous prime is 196669147. The next prime is 196669163. The reversal of 196669153 is 351966691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141419664 + 55249489 = 11892^2 + 7433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196669153 is a prime.

It is a super-3 number, since 3×196669153³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (196669163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98334576 + 98334577.

It is an arithmetic number, because the mean of its divisors is an integer number (98334577).

Almost surely, 2^196669153 is an apocalyptic number.

It is an amenable number.

196669153 is a deficient number, since it is larger than the sum of its proper divisors (1).

196669153 is an equidigital number, since it uses as much as digits as its factorization.

196669153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 46.

The square root of 196669153 is about 14023.8779586818. The cubic root of 196669153 is about 581.5388712039.

The spelling of 196669153 in words is "one hundred ninety-six million, six hundred sixty-nine thousand, one hundred fifty-three".