1604325694 has 8 divisors (see below), whose sum is σ = 2416817520. Its totient is φ = 798719856.

The previous prime is 1604325689. The next prime is 1604325721. The reversal of 1604325694 is 4965234061.

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

It is a congruent 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, 1720914 + ... + 1721845.

It is an arithmetic number, because the mean of its divisors is an integer number (302102190).

Almost surely, 2^1604325694 is an apocalyptic number.

1604325694 is a deficient number, since it is larger than the sum of its proper divisors (812491826).

1604325694 is a wasteful number, since it uses less digits than its factorization.

1604325694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442994.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 1604325694 is about 40054.0346781694. The cubic root of 1604325694 is about 1170.6601806607.

The spelling of 1604325694 in words is "one billion, six hundred four million, three hundred twenty-five thousand, six hundred ninety-four".