1669483608 has 64 divisors (see below), whose sum is σ = 4504550400. Its totient is φ = 512568960.

The previous prime is 1669483591. The next prime is 1669483639. The reversal of 1669483608 is 8063849661.

It is a congruent number.

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, 143863 + ... + 155033.

It is an arithmetic number, because the mean of its divisors is an integer number (70383600).

Almost surely, 2^1669483608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1669483608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2252275200).

1669483608 is an abundant number, since it is smaller than the sum of its proper divisors (2835066792).

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

1669483608 is a wasteful number, since it uses less digits than its factorization.

1669483608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11672 (or 11668 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 1669483608 is about 40859.3148253859. The cubic root of 1669483608 is about 1186.2986961740.

The spelling of 1669483608 in words is "one billion, six hundred sixty-nine million, four hundred eighty-three thousand, six hundred eight".