1604473845906 has 8 divisors (see below), whose sum is σ = 3208947691824. Its totient is φ = 534824615300.

The previous prime is 1604473845857. The next prime is 1604473845983. The reversal of 1604473845906 is 6095483744061.

It is a sphenic number, since it is the product of 3 distinct primes.

1604473845906 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133706153820 + ... + 133706153831.

It is an arithmetic number, because the mean of its divisors is an integer number (401118461478).

Almost surely, 2^{1604473845906} is an apocalyptic number.

1604473845906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1604473845906 is a wasteful number, since it uses less digits than its factorization.

1604473845906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267412307656.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 1604473845906 in words is "one trillion, six hundred four billion, four hundred seventy-three million, eight hundred forty-five thousand, nine hundred six".