136662646720 has 56 divisors (see below), whose sum is σ = 342555728400. Its totient is φ = 51787948032.

The previous prime is 136662646709. The next prime is 136662646727. The reversal of 136662646720 is 27646266631.

It is a happy number.

136662646720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136662646727) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11232625 + ... + 11244784.

Almost surely, 2^136662646720 is an apocalyptic number.

136662646720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136662646720 is an abundant number, since it is smaller than the sum of its proper divisors (205893081680).

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

136662646720 is a wasteful number, since it uses less digits than its factorization.

136662646720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22477445 (or 22477435 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 49.

The spelling of 136662646720 in words is "one hundred thirty-six billion, six hundred sixty-two million, six hundred forty-six thousand, seven hundred twenty".