1608069888 has 144 divisors (see below), whose sum is σ = 4814355840. Its totient is φ = 529376256.

The previous prime is 1608069877. The next prime is 1608069907. The reversal of 1608069888 is 8889608061.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572295 + ... + 575097.

Almost surely, 2^1608069888 is an apocalyptic number.

1608069888 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 1608069888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2407177920).

1608069888 is an abundant number, since it is smaller than the sum of its proper divisors (3206285952).

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

1608069888 is an equidigital number, since it uses as much as digits as its factorization.

1608069888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911 (or 2891 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The square root of 1608069888 is about 40100.7467262145. The cubic root of 1608069888 is about 1171.5701732341.

The spelling of 1608069888 in words is "one billion, six hundred eight million, sixty-nine thousand, eight hundred eighty-eight".