1328067663 has 16 divisors (see below), whose sum is σ = 1924470240. Its totient is φ = 809771904.

The previous prime is 1328067647. The next prime is 1328067691. The reversal of 1328067663 is 3667608231.

It is not a de Polignac number, because 1328067663 - 2⁴ = 1328067647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328067623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151956 + ... + 160457.

It is an arithmetic number, because the mean of its divisors is an integer number (120279390).

Almost surely, 2^1328067663 is an apocalyptic number.

1328067663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1328067663 is a deficient number, since it is larger than the sum of its proper divisors (596402577).

1328067663 is a wasteful number, since it uses less digits than its factorization.

1328067663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312538.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 1328067663 is about 36442.6626771426. The cubic root of 1328067663 is about 1099.1915997085.

The spelling of 1328067663 in words is "one billion, three hundred twenty-eight million, sixty-seven thousand, six hundred sixty-three".