1604301564 has 12 divisors (see below), whose sum is σ = 3743370344. Its totient is φ = 534767184.

The previous prime is 1604301551. The next prime is 1604301571. The reversal of 1604301564 is 4651034061.

It is a tau number, because it is divible by the number of its divisors (12).

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, 66845887 + ... + 66845910.

Almost surely, 2^1604301564 is an apocalyptic number.

It is an amenable number.

1604301564 is an abundant number, since it is smaller than the sum of its proper divisors (2139068780).

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

1604301564 is a wasteful number, since it uses less digits than its factorization.

1604301564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133691804 (or 133691802 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1604301564 is about 40053.7334589424. The cubic root of 1604301564 is about 1170.6543114925.

The spelling of 1604301564 in words is "one billion, six hundred four million, three hundred one thousand, five hundred sixty-four".