1604810880000 has 1320 divisors, whose sum is σ = 6368634784512. Its totient is φ = 402112512000.

The previous prime is 1604810879989. The next prime is 1604810880007. The reversal of 1604810880000 is 880184061.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604810880007) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2643839697 + ... + 2643840303.

Almost surely, 2^{1604810880000} is an apocalyptic number.

1604810880000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1604810880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3184317392256).

1604810880000 is an abundant number, since it is smaller than the sum of its proper divisors (4763823904512).

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

1604810880000 is an frugal number, since it uses more digits than its factorization.

1604810880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The spelling of 1604810880000 in words is "one trillion, six hundred four billion, eight hundred ten million, eight hundred eighty thousand".