27066513012 has 48 divisors (see below), whose sum is σ = 78738949632. Its totient is φ = 7030262880.

The previous prime is 27066513011. The next prime is 27066513037. The reversal of 27066513012 is 21031566072.

It is a super-2 number, since 2×27066513012² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27066513011) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14645458 + ... + 14647305.

It is an arithmetic number, because the mean of its divisors is an integer number (1640394784).

Almost surely, 2^27066513012 is an apocalyptic number.

27066513012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27066513012 is an abundant number, since it is smaller than the sum of its proper divisors (51672436620).

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

27066513012 is a wasteful number, since it uses less digits than its factorization.

27066513012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29292788 (or 29292786 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 27066513012 in words is "twenty-seven billion, sixty-six million, five hundred thirteen thousand, twelve".