1327648656 has 40 divisors (see below), whose sum is σ = 3540400384. Its totient is φ = 428273280.

The previous prime is 1327648633. The next prime is 1327648669. The reversal of 1327648656 is 6568467231.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 444631 + ... + 447606.

Almost surely, 2^1327648656 is an apocalyptic number.

1327648656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1327648656 is an abundant number, since it is smaller than the sum of its proper divisors (2212751728).

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

1327648656 is a wasteful number, since it uses less digits than its factorization.

1327648656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892279 (or 892273 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 1327648656 is about 36436.9133709210. The cubic root of 1327648656 is about 1099.0759887768.

The spelling of 1327648656 in words is "one billion, three hundred twenty-seven million, six hundred forty-eight thousand, six hundred fifty-six".