1608889704 has 32 divisors (see below), whose sum is σ = 4059132000. Its totient is φ = 531375552.

The previous prime is 1608889699. The next prime is 1608889781. The reversal of 1608889704 is 4079888061.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 304894 + ... + 310125.

It is an arithmetic number, because the mean of its divisors is an integer number (126847875).

Almost surely, 2^1608889704 is an apocalyptic number.

It is an amenable number.

1608889704 is an abundant number, since it is smaller than the sum of its proper divisors (2450242296).

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

1608889704 is a wasteful number, since it uses less digits than its factorization.

1608889704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615137 (or 615133 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 1608889704 is about 40110.9673780127. The cubic root of 1608889704 is about 1171.7692335705.

The spelling of 1608889704 in words is "one billion, six hundred eight million, eight hundred eighty-nine thousand, seven hundred four".