1604546652 has 12 divisors (see below), whose sum is σ = 3743942216. Its totient is φ = 534848880.

The previous prime is 1604546617. The next prime is 1604546681. The reversal of 1604546652 is 2566454061.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1604546652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66856099 + ... + 66856122.

Almost surely, 2^1604546652 is an apocalyptic number.

1604546652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1604546652 is an abundant number, since it is smaller than the sum of its proper divisors (2139395564).

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

1604546652 is a wasteful number, since it uses less digits than its factorization.

1604546652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133712228 (or 133712226 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 1604546652 is about 40056.7928321777. The cubic root of 1604546652 is about 1170.7139217971.

The spelling of 1604546652 in words is "one billion, six hundred four million, five hundred forty-six thousand, six hundred fifty-two".