1606009600 has 216 divisors, whose sum is σ = 4346770400. Its totient is φ = 583925760.

The previous prime is 1606009583. The next prime is 1606009633. The reversal of 1606009600 is 69006061.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8070301 + ... + 8070499.

Almost surely, 2^1606009600 is an apocalyptic number.

1606009600 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 1606009600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2173385200).

1606009600 is an abundant number, since it is smaller than the sum of its proper divisors (2740760800).

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

1606009600 is a wasteful number, since it uses less digits than its factorization.

1606009600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1606009600 is about 40075.0495944796. The cubic root of 1606009600 is about 1171.0696138207.

The spelling of 1606009600 in words is "one billion, six hundred six million, nine thousand, six hundred".