1604630064 has 20 divisors (see below), whose sum is σ = 4145294456. Its totient is φ = 534876672.

The previous prime is 1604630003. The next prime is 1604630089. The reversal of 1604630064 is 4600364061.

1604630064 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 16714849 + ... + 16714944.

Almost surely, 2^1604630064 is an apocalyptic number.

It is an amenable number.

1604630064 is an abundant number, since it is smaller than the sum of its proper divisors (2540664392).

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

1604630064 is a wasteful number, since it uses less digits than its factorization.

1604630064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33429804 (or 33429798 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1604630064 is about 40057.8339903695. The cubic root of 1604630064 is about 1170.7342078797.

The spelling of 1604630064 in words is "one billion, six hundred four million, six hundred thirty thousand, sixty-four".