196129066 has 24 divisors (see below), whose sum is σ = 344147076. Its totient is φ = 83583360.

The previous prime is 196129061. The next prime is 196129067. The reversal of 196129066 is 660921691.

It can be written as a sum of positive squares in 2 ways, for example, as 149548441 + 46580625 = 12229^2 + 6825^2 .

It is a super-2 number, since 2×196129066² = 76933221060064712, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (196129061) 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 11 ways as a sum of consecutive naturals, for example, 12210 + ... + 23266.

Almost surely, 2^196129066 is an apocalyptic number.

196129066 is a deficient number, since it is larger than the sum of its proper divisors (148018010).

196129066 is a wasteful number, since it uses less digits than its factorization.

196129066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11254 (or 11247 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 196129066 is about 14004.6087414108. The cubic root of 196129066 is about 581.0060482266.

The spelling of 196129066 in words is "one hundred ninety-six million, one hundred twenty-nine thousand, sixty-six".