1604506642 has 16 divisors (see below), whose sum is σ = 2541702240. Its totient is φ = 757548288.

The previous prime is 1604506627. The next prime is 1604506643. The reversal of 1604506642 is 2466054061.

It is a junction number, because it is equal to n+sod(n) for n = 1604506598 and 1604506607.

It is not an unprimeable number, because it can be changed into a prime (1604506643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57103 + ... + 80434.

It is an arithmetic number, because the mean of its divisors is an integer number (158856390).

Almost surely, 2^1604506642 is an apocalyptic number.

1604506642 is a deficient number, since it is larger than the sum of its proper divisors (937195598).

1604506642 is a wasteful number, since it uses less digits than its factorization.

1604506642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137865.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1604506642 is about 40056.2934131455. The cubic root of 1604506642 is about 1170.7041909793.

The spelling of 1604506642 in words is "one billion, six hundred four million, five hundred six thousand, six hundred forty-two".