1608678004 has 12 divisors (see below), whose sum is σ = 2816005024. Its totient is φ = 804105144.

The previous prime is 1608677969. The next prime is 1608678017. The reversal of 1608678004 is 4008768061.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 42504 + ... + 70879.

Almost surely, 2^1608678004 is an apocalyptic number.

It is an amenable number.

1608678004 is a deficient number, since it is larger than the sum of its proper divisors (1207327020).

1608678004 is a wasteful number, since it uses less digits than its factorization.

1608678004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116934 (or 116932 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 1608678004 is about 40108.3283620746. The cubic root of 1608678004 is about 1171.7178369610.

The spelling of 1608678004 in words is "one billion, six hundred eight million, six hundred seventy-eight thousand, four".