343636665688 has 16 divisors (see below), whose sum is σ = 644325436080. Its totient is φ = 171816549408.

The previous prime is 343636665683. The next prime is 343636665727. The reversal of 343636665688 is 886566636343.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343636665683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973981 + ... + 1279027.

It is an arithmetic number, because the mean of its divisors is an integer number (40270339755).

Almost surely, 2^343636665688 is an apocalyptic number.

It is an amenable number.

343636665688 is a deficient number, since it is larger than the sum of its proper divisors (300688770392).

343636665688 is a wasteful number, since it uses less digits than its factorization.

343636665688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445866 (or 445862 counting only the distinct ones).

The product of its digits is 268738560, while the sum is 64.

The spelling of 343636665688 in words is "three hundred forty-three billion, six hundred thirty-six million, six hundred sixty-five thousand, six hundred eighty-eight".