1601328873 has 32 divisors (see below), whose sum is σ = 2363241600. Its totient is φ = 960422400.

The previous prime is 1601328857. The next prime is 1601328887. The reversal of 1601328873 is 3788231061.

It is not a de Polignac number, because 1601328873 - 2⁴ = 1601328857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1601328823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92893 + ... + 108773.

It is an arithmetic number, because the mean of its divisors is an integer number (73851300).

Almost surely, 2^1601328873 is an apocalyptic number.

It is an amenable number.

1601328873 is a deficient number, since it is larger than the sum of its proper divisors (761912727).

1601328873 is a wasteful number, since it uses less digits than its factorization.

1601328873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15993.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1601328873 is about 40016.6074649014. The cubic root of 1601328873 is about 1169.9308097005.

The spelling of 1601328873 in words is "one billion, six hundred one million, three hundred twenty-eight thousand, eight hundred seventy-three".