1608203520 has 864 divisors, whose sum is σ = 7270099200. Its totient is φ = 325140480.

The previous prime is 1608203489. The next prime is 1608203537. The reversal of 1608203520 is 253028061.

1608203520 is a `hidden beast` number, since 1 + 60 + 82 + 0 + 3 + 520 = 666.

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 95 ways as a sum of consecutive naturals, for example, 43464942 + ... + 43464978.

Almost surely, 2^1608203520 is an apocalyptic number.

1608203520 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 1608203520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3635049600).

1608203520 is an abundant number, since it is smaller than the sum of its proper divisors (5661895680).

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

1608203520 is a wasteful number, since it uses less digits than its factorization.

1608203520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1608203520 is about 40102.4128949868. The cubic root of 1608203520 is about 1171.6026251671.

The spelling of 1608203520 in words is "one billion, six hundred eight million, two hundred three thousand, five hundred twenty".