1659963328 has 28 divisors (see below), whose sum is σ = 3327960832. Its totient is φ = 821422080.

The previous prime is 1659963287. The next prime is 1659963353. The reversal of 1659963328 is 8233699561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127488 + ... + 139903.

It is an arithmetic number, because the mean of its divisors is an integer number (118855744).

Almost surely, 2^1659963328 is an apocalyptic number.

It is an amenable number.

1659963328 is an abundant number, since it is smaller than the sum of its proper divisors (1667997504).

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

1659963328 is an equidigital number, since it uses as much as digits as its factorization.

1659963328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267500 (or 267490 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 52.

The square root of 1659963328 is about 40742.6475330212. The cubic root of 1659963328 is about 1184.0394283193.

The spelling of 1659963328 in words is "one billion, six hundred fifty-nine million, nine hundred sixty-three thousand, three hundred twenty-eight".