1604255321088 has 1760 divisors, whose sum is σ = 6163245158400. Its totient is φ = 413578690560.

The previous prime is 1604255321069. The next prime is 1604255321093. The reversal of 1604255321088 is 8801235524061.

1604255321088 is a `hidden beast` number, since 1 + 6 + 0 + 4 + 2 + 5 + 532 + 108 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 14993040331 + ... + 14993040437.

It is an arithmetic number, because the mean of its divisors is an integer number (3501843840).

Almost surely, 2^{1604255321088} is an apocalyptic number.

1604255321088 is a gapful number since it is divisible by the number (18) 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 1604255321088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3081622579200).

1604255321088 is an abundant number, since it is smaller than the sum of its proper divisors (4558989837312).

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

1604255321088 is a wasteful number, since it uses less digits than its factorization.

1604255321088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 1604255321088 in words is "one trillion, six hundred four billion, two hundred fifty-five million, three hundred twenty-one thousand, eighty-eight".