1604166357 has 8 divisors (see below), whose sum is σ = 2139909184. Its totient is φ = 1068933888.

The previous prime is 1604166307. The next prime is 1604166367. The reversal of 1604166357 is 7536614061.

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

It is not a de Polignac number, because 1604166357 - 2⁸ = 1604166101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604166307) by changing a digit.

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, 120193 + ... + 132870.

It is an arithmetic number, because the mean of its divisors is an integer number (267488648).

Almost surely, 2^1604166357 is an apocalyptic number.

It is an amenable number.

1604166357 is a deficient number, since it is larger than the sum of its proper divisors (535742827).

1604166357 is a wasteful number, since it uses less digits than its factorization.

1604166357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255179.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 1604166357 is about 40052.0456031899. The cubic root of 1604166357 is about 1170.6214238468.

The spelling of 1604166357 in words is "one billion, six hundred four million, one hundred sixty-six thousand, three hundred fifty-seven".