196666723334 has 16 divisors (see below), whose sum is σ = 296168447520. Its totient is φ = 97944025920.

The previous prime is 196666723333. The next prime is 196666723411. The reversal of 196666723334 is 433327666691.

It is a self number, because there is not a number n which added to its sum of digits gives 196666723334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196666723333) 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 7 ways as a sum of consecutive naturals, for example, 3776594 + ... + 3828314.

It is an arithmetic number, because the mean of its divisors is an integer number (18510527970).

Almost surely, 2^196666723334 is an apocalyptic number.

196666723334 is a deficient number, since it is larger than the sum of its proper divisors (99501724186).

196666723334 is a wasteful number, since it uses less digits than its factorization.

196666723334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59215.

The product of its digits is 17635968, while the sum is 56.

The spelling of 196666723334 in words is "one hundred ninety-six billion, six hundred sixty-six million, seven hundred twenty-three thousand, three hundred thirty-four".