136054666566 has 48 divisors (see below), whose sum is σ = 362812448544. Its totient is φ = 35882548992.

The previous prime is 136054666547. The next prime is 136054666567. The reversal of 136054666566 is 665666450631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136054666567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41529091 + ... + 41532366.

It is an arithmetic number, because the mean of its divisors is an integer number (7558592678).

Almost surely, 2^136054666566 is an apocalyptic number.

136054666566 is an abundant number, since it is smaller than the sum of its proper divisors (226757781978).

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

136054666566 is a wasteful number, since it uses less digits than its factorization.

136054666566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83061485 (or 83061482 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 54.

The spelling of 136054666566 in words is "one hundred thirty-six billion, fifty-four million, six hundred sixty-six thousand, five hundred sixty-six".