1604351360 has 32 divisors (see below), whose sum is σ = 3835404000. Its totient is φ = 641740288.

The previous prime is 1604351347. The next prime is 1604351449. The reversal of 1604351360 is 631534061.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

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, 1252760 + ... + 1254039.

It is an arithmetic number, because the mean of its divisors is an integer number (119856375).

Almost surely, 2^1604351360 is an apocalyptic number.

1604351360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1604351360 is an abundant number, since it is smaller than the sum of its proper divisors (2231052640).

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

1604351360 is an equidigital number, since it uses as much as digits as its factorization.

1604351360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506818 (or 2506806 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1604351360 is about 40054.3550690808. The cubic root of 1604351360 is about 1170.6664233673. Note that the first 3 decimals are identical.

The spelling of 1604351360 in words is "one billion, six hundred four million, three hundred fifty-one thousand, three hundred sixty".