1604163552 has 48 divisors (see below), whose sum is σ = 4212991440. Its totient is φ = 534459392.

The previous prime is 1604163529. The next prime is 1604163557. The reversal of 1604163552 is 2553614061.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604163557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375058 + ... + 379310.

It is an arithmetic number, because the mean of its divisors is an integer number (87770655).

Almost surely, 2^1604163552 is an apocalyptic number.

1604163552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1604163552 is an abundant number, since it is smaller than the sum of its proper divisors (2608827888).

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

1604163552 is a wasteful number, since it uses less digits than its factorization.

1604163552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8195 (or 8187 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1604163552 is about 40052.0105862365. The cubic root of 1604163552 is about 1170.6207415412.

The spelling of 1604163552 in words is "one billion, six hundred four million, one hundred sixty-three thousand, five hundred fifty-two".