1604205608 has 32 divisors (see below), whose sum is σ = 3108000000. Its totient is φ = 775457280.

The previous prime is 1604205599. The next prime is 1604205611. The reversal of 1604205608 is 8065024061.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307163 + ... + 312341.

It is an arithmetic number, because the mean of its divisors is an integer number (97125000).

Almost surely, 2^1604205608 is an apocalyptic number.

It is an amenable number.

1604205608 is a deficient number, since it is larger than the sum of its proper divisors (1503794392).

1604205608 is a wasteful number, since it uses less digits than its factorization.

1604205608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6465 (or 6461 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1604205608 is about 40052.5356001340. The cubic root of 1604205608 is about 1170.6309714199.

Adding to 1604205608 its reverse (8065024061), we get a palindrome (9669229669).

The spelling of 1604205608 in words is "one billion, six hundred four million, two hundred five thousand, six hundred eight".