1604363264 has 44 divisors (see below), whose sum is σ = 3665341824. Its totient is φ = 687581184.

The previous prime is 1604363227. The next prime is 1604363303. The reversal of 1604363264 is 4623634061.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104744 + ... + 119079.

Almost surely, 2^1604363264 is an apocalyptic number.

1604363264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1604363264 is an abundant number, since it is smaller than the sum of its proper divisors (2060978560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1604363264 is an equidigital number, since it uses as much as digits as its factorization.

1604363264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223850 (or 223832 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 1604363264 is about 40054.5036668787. The cubic root of 1604363264 is about 1170.6693187386.

The spelling of 1604363264 in words is "one billion, six hundred four million, three hundred sixty-three thousand, two hundred sixty-four".