1604473845904 has 40 divisors (see below), whose sum is σ = 3139097120640. Its totient is φ = 794390844288.

The previous prime is 1604473845857. The next prime is 1604473845983. The reversal of 1604473845904 is 4095483744061.

It is a happy number.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3721257 + ... + 4129975.

It is an arithmetic number, because the mean of its divisors is an integer number (78477428016).

Almost surely, 2^{1604473845904} is an apocalyptic number.

It is an amenable number.

1604473845904 is a deficient number, since it is larger than the sum of its proper divisors (1534623274736).

1604473845904 is a wasteful number, since it uses less digits than its factorization.

1604473845904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411127 (or 411121 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 1604473845904 in words is "one trillion, six hundred four billion, four hundred seventy-three million, eight hundred forty-five thousand, nine hundred four".