1027555656 has 32 divisors (see below), whose sum is σ = 2569676640. Its totient is φ = 342413568.

The previous prime is 1027555621. The next prime is 1027555673. The reversal of 1027555656 is 6565557201.

It is a happy number.

1027555656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142080 + ... + 149136.

It is an arithmetic number, because the mean of its divisors is an integer number (80302395).

Almost surely, 2^1027555656 is an apocalyptic number.

It is an amenable number.

1027555656 is an abundant number, since it is smaller than the sum of its proper divisors (1542120984).

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

1027555656 is a wasteful number, since it uses less digits than its factorization.

1027555656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13133 (or 13129 counting only the distinct ones).

The product of its (nonzero) digits is 315000, while the sum is 42.

The square root of 1027555656 is about 32055.5089805169. The cubic root of 1027555656 is about 1009.1021187354.

The spelling of 1027555656 in words is "one billion, twenty-seven million, five hundred fifty-five thousand, six hundred fifty-six".