1604122008 has 32 divisors (see below), whose sum is σ = 4148593200. Its totient is φ = 516268928.

The previous prime is 1604121983. The next prime is 1604122019. The reversal of 1604122008 is 8002214061.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 7 ways as a sum of consecutive naturals, for example, 1151691 + ... + 1153082.

Almost surely, 2^1604122008 is an apocalyptic number.

It is an amenable number.

1604122008 is an abundant number, since it is smaller than the sum of its proper divisors (2544471192).

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

1604122008 is a wasteful number, since it uses less digits than its factorization.

1604122008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304811 (or 2304807 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1604122008 is about 40051.4919572293. The cubic root of 1604122008 is about 1170.6106360280.

Adding to 1604122008 its reverse (8002214061), we get a palindrome (9606336069).

The spelling of 1604122008 in words is "one billion, six hundred four million, one hundred twenty-two thousand, eight".