27066543036 has 96 divisors (see below), whose sum is σ = 69389042688. Its totient is φ = 8161144320.

The previous prime is 27066542981. The next prime is 27066543041. The reversal of 27066543036 is 63034566072.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1842376 + ... + 1857008.

It is an arithmetic number, because the mean of its divisors is an integer number (722802528).

Almost surely, 2^27066543036 is an apocalyptic number.

27066543036 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27066543036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34694521344).

27066543036 is an abundant number, since it is smaller than the sum of its proper divisors (42322499652).

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

27066543036 is a wasteful number, since it uses less digits than its factorization.

27066543036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14891 (or 14889 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 42.

The spelling of 27066543036 in words is "twenty-seven billion, sixty-six million, five hundred forty-three thousand, thirty-six".