27166542827844 has 48 divisors (see below), whose sum is σ = 72526157570048. Its totient is φ = 7753079019168.

The previous prime is 27166542827821. The next prime is 27166542827861. The reversal of 27166542827844 is 44872824566172.

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 15 ways as a sum of consecutive naturals, for example, 183057892 + ... + 183206235.

Almost surely, 2^{27166542827844} is an apocalyptic number.

It is an amenable number.

27166542827844 is an abundant number, since it is smaller than the sum of its proper divisors (45359614742204).

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

27166542827844 is a wasteful number, since it uses less digits than its factorization.

27166542827844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366265024 (or 366265022 counting only the distinct ones).

The product of its digits is 289013760, while the sum is 66.

The spelling of 27166542827844 in words is "twenty-seven trillion, one hundred sixty-six billion, five hundred forty-two million, eight hundred twenty-seven thousand, eight hundred forty-four".