1604166364 has 12 divisors (see below), whose sum is σ = 2807589064. Its totient is φ = 801998064.

The previous prime is 1604166307. The next prime is 1604166367. The reversal of 1604166364 is 4636614061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604166367) 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 3 ways as a sum of consecutive naturals, for example, 42094 + ... + 70570.

Almost surely, 2^1604166364 is an apocalyptic number.

It is an amenable number.

1604166364 is a deficient number, since it is larger than the sum of its proper divisors (1203422700).

1604166364 is a wasteful number, since it uses less digits than its factorization.

1604166364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42564 (or 42562 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 1604166364 is about 40052.0456905762. The cubic root of 1604166364 is about 1170.6214255495.

The spelling of 1604166364 in words is "one billion, six hundred four million, one hundred sixty-six thousand, three hundred sixty-four".