136643665616224 has 72 divisors (see below), whose sum is σ = 291307583899080. Its totient is φ = 63065242626048.

The previous prime is 136643665616167. The next prime is 136643665616243. The reversal of 136643665616224 is 422616566346631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 384271599 + ... + 384627025.

It is an arithmetic number, because the mean of its divisors is an integer number (4045938665265).

Almost surely, 2^{136643665616224} is an apocalyptic number.

It is an amenable number.

136643665616224 is an abundant number, since it is smaller than the sum of its proper divisors (154663918282856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136643665616224 is a wasteful number, since it uses less digits than its factorization.

136643665616224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426552 (or 426531 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 61.

The spelling of 136643665616224 in words is "one hundred thirty-six trillion, six hundred forty-three billion, six hundred sixty-five million, six hundred sixteen thousand, two hundred twenty-four".