27016078648 has 128 divisors (see below), whose sum is σ = 57991127040. Its totient is φ = 11711232000.

The previous prime is 27016078603. The next prime is 27016078669. The reversal of 27016078648 is 84687061072.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19849488 + ... + 19850848.

It is an arithmetic number, because the mean of its divisors is an integer number (453055680).

Almost surely, 2^27016078648 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 27016078648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28995563520).

27016078648 is an abundant number, since it is smaller than the sum of its proper divisors (30975048392).

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

27016078648 is a wasteful number, since it uses less digits than its factorization.

27016078648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589 (or 1585 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 27016078648 in words is "twenty-seven billion, sixteen million, seventy-eight thousand, six hundred forty-eight".