136566546655 has 32 divisors (see below), whose sum is σ = 205172766720. Its totient is φ = 84776133120.

The previous prime is 136566546619. The next prime is 136566546799. The reversal of 136566546655 is 556645665631.

It is not a de Polignac number, because 136566546655 - 2¹³ = 136566538463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136566546655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 650074 + ... + 834103.

It is an arithmetic number, because the mean of its divisors is an integer number (6411648960).

Almost surely, 2^136566546655 is an apocalyptic number.

136566546655 is a deficient number, since it is larger than the sum of its proper divisors (68606220065).

136566546655 is a wasteful number, since it uses less digits than its factorization.

136566546655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484439.

The product of its digits is 58320000, while the sum is 58.

The spelling of 136566546655 in words is "one hundred thirty-six billion, five hundred sixty-six million, five hundred forty-six thousand, six hundred fifty-five".