1604048368 has 40 divisors (see below), whose sum is σ = 3356187968. Its totient is φ = 738277632.

The previous prime is 1604048353. The next prime is 1604048417. The reversal of 1604048368 is 8638404061.

It is a self number, because there is not a number n which added to its sum of digits gives 1604048368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65830 + ... + 86842.

Almost surely, 2^1604048368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1604048368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678093984).

1604048368 is an abundant number, since it is smaller than the sum of its proper divisors (1752139600).

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

1604048368 is a wasteful number, since it uses less digits than its factorization.

1604048368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21401 (or 21395 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 1604048368 is about 40050.5726301135. The cubic root of 1604048368 is about 1170.5927227841.

The spelling of 1604048368 in words is "one billion, six hundred four million, forty-eight thousand, three hundred sixty-eight".