136566550655 has 8 divisors (see below), whose sum is σ = 164583209232. Its totient is φ = 108784341568.

The previous prime is 136566550649. The next prime is 136566550697. The reversal of 136566550655 is 556055665631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136566550655 - 2³² = 132271583359 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 136566550597 and 136566550606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58611089 + ... + 58613418.

It is an arithmetic number, because the mean of its divisors is an integer number (20572901154).

Almost surely, 2^136566550655 is an apocalyptic number.

136566550655 is a deficient number, since it is larger than the sum of its proper divisors (28016658577).

136566550655 is a wasteful number, since it uses less digits than its factorization.

136566550655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117224745.

The product of its (nonzero) digits is 12150000, while the sum is 53.

The spelling of 136566550655 in words is "one hundred thirty-six billion, five hundred sixty-six million, five hundred fifty thousand, six hundred fifty-five".