27751106656 has 96 divisors (see below), whose sum is σ = 67294257408. Its totient is φ = 10970104320.

The previous prime is 27751106627. The next prime is 27751106657. The reversal of 27751106656 is 65660115772.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27751106657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5014611 + ... + 5020141.

It is an arithmetic number, because the mean of its divisors is an integer number (700981848).

Almost surely, 2^27751106656 is an apocalyptic number.

27751106656 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 27751106656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33647128704).

27751106656 is an abundant number, since it is smaller than the sum of its proper divisors (39543150752).

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

27751106656 is a wasteful number, since it uses less digits than its factorization.

27751106656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7284 (or 7276 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 27751106656 in words is "twenty-seven billion, seven hundred fifty-one million, one hundred six thousand, six hundred fifty-six".