27166054144 has 144 divisors (see below), whose sum is σ = 56782712448. Its totient is φ = 12962267136.

The previous prime is 27166054121. The next prime is 27166054159. The reversal of 27166054144 is 44145066172.

It is a junction number, because it is equal to n+sod(n) for n = 27166054097 and 27166054106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137898654 + ... + 137898850.

It is an arithmetic number, because the mean of its divisors is an integer number (394324392).

Almost surely, 2^27166054144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27166054144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28391356224).

27166054144 is an abundant number, since it is smaller than the sum of its proper divisors (29616658304).

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

27166054144 is a wasteful number, since it uses less digits than its factorization.

27166054144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 27166054144 in words is "twenty-seven billion, one hundred sixty-six million, fifty-four thousand, one hundred forty-four".