1604319801 has 32 divisors (see below), whose sum is σ = 2612736000. Its totient is φ = 854743296.

The previous prime is 1604319751. The next prime is 1604319823. The reversal of 1604319801 is 1089134061.

It is not a de Polignac number, because 1604319801 - 2⁶ = 1604319737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1604319881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17200 + ... + 59198.

It is an arithmetic number, because the mean of its divisors is an integer number (81648000).

Almost surely, 2^1604319801 is an apocalyptic number.

It is an amenable number.

1604319801 is a deficient number, since it is larger than the sum of its proper divisors (1008416199).

1604319801 is a wasteful number, since it uses less digits than its factorization.

1604319801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42133.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1604319801 is about 40053.9611149759. The cubic root of 1604319801 is about 1170.6587473048.

The spelling of 1604319801 in words is "one billion, six hundred four million, three hundred nineteen thousand, eight hundred one".