1604624068 has 12 divisors (see below), whose sum is σ = 2820356140. Its totient is φ = 798808032.

The previous prime is 1604624059. The next prime is 1604624089. The reversal of 1604624068 is 8604264061.

It can be written as a sum of positive squares in 2 ways, for example, as 1563253444 + 41370624 = 39538^2 + 6432^2 .

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 3 ways as a sum of consecutive naturals, for example, 874971 + ... + 876802.

Almost surely, 2^1604624068 is an apocalyptic number.

It is an amenable number.

1604624068 is a deficient number, since it is larger than the sum of its proper divisors (1215732072).

1604624068 is a wasteful number, since it uses less digits than its factorization.

1604624068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752006 (or 1752004 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 1604624068 is about 40057.7591485095. The cubic root of 1604624068 is about 1170.7327496555.

The spelling of 1604624068 in words is "one billion, six hundred four million, six hundred twenty-four thousand, sixty-eight".