1327658664 has 32 divisors (see below), whose sum is σ = 3321810720. Its totient is φ = 442197696.

The previous prime is 1327658663. The next prime is 1327658671. The reversal of 1327658664 is 4668567231.

It is not an unprimeable number, because it can be changed into a prime (1327658663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9234 + ... + 52350.

It is an arithmetic number, because the mean of its divisors is an integer number (103806585).

Almost surely, 2^1327658664 is an apocalyptic number.

It is an amenable number.

1327658664 is an abundant number, since it is smaller than the sum of its proper divisors (1994152056).

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

1327658664 is a wasteful number, since it uses less digits than its factorization.

1327658664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44409 (or 44405 counting only the distinct ones).

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

The square root of 1327658664 is about 36437.0507039195. The cubic root of 1327658664 is about 1099.0787504323.

The spelling of 1327658664 in words is "one billion, three hundred twenty-seven million, six hundred fifty-eight thousand, six hundred sixty-four".