1608809648880 has 160 divisors (see below), whose sum is σ = 5700151309824. Its totient is φ = 367704142848.

The previous prime is 1608809648879. The next prime is 1608809648891. The reversal of 1608809648880 is 888469088061.

It is a happy number.

It is a super-3 number, since 3×1608809648880³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50405887 + ... + 50437793.

Almost surely, 2^{1608809648880} is an apocalyptic number.

1608809648880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1608809648880 is an abundant number, since it is smaller than the sum of its proper divisors (4091341660944).

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

1608809648880 is a wasteful number, since it uses less digits than its factorization.

1608809648880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61943 (or 61937 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 66.

The spelling of 1608809648880 in words is "one trillion, six hundred eight billion, eight hundred nine million, six hundred forty-eight thousand, eight hundred eighty".