136643626660000 has 60 divisors (see below), whose sum is σ = 336163818176802. Its totient is φ = 54657450656000.

The previous prime is 136643626659973. The next prime is 136643626660019. The reversal of 136643626660000 is 66626346631.

It can be written as a sum of positive squares in 5 ways, for example, as 3531197205904 + 133112429454096 = 1879148^2 + 11537436^2 .

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 9 ways as a sum of consecutive naturals, for example, 3416070667 + ... + 3416110666.

Almost surely, 2^{136643626660000} is an apocalyptic number.

136643626660000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136643626660000 is an abundant number, since it is smaller than the sum of its proper divisors (199520191516802).

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

136643626660000 is an frugal number, since it uses more digits than its factorization.

136643626660000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6832181363 (or 6832181340 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 49.

It can be divided in two parts, 1366436 and 26660000, that added together give a square (28026436 = 5294²).

The spelling of 136643626660000 in words is "one hundred thirty-six trillion, six hundred forty-three billion, six hundred twenty-six million, six hundred sixty thousand".