136566541664 has 48 divisors (see below), whose sum is σ = 311860942848. Its totient is φ = 57654951552.

The previous prime is 136566541663. The next prime is 136566541691. The reversal of 136566541664 is 466145665631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136566541663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4534784 + ... + 4564799.

It is an arithmetic number, because the mean of its divisors is an integer number (6497102976).

Almost surely, 2^136566541664 is an apocalyptic number.

136566541664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

136566541664 is an abundant number, since it is smaller than the sum of its proper divisors (175294401184).

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

136566541664 is an equidigital number, since it uses as much as digits as its factorization.

136566541664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9099667 (or 9099659 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 53.

The spelling of 136566541664 in words is "one hundred thirty-six billion, five hundred sixty-six million, five hundred forty-one thousand, six hundred sixty-four".