1606044000 has 384 divisors, whose sum is σ = 6000583680. Its totient is φ = 372416000.

The previous prime is 1606043963. The next prime is 1606044017. The reversal of 1606044000 is 4406061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69827989 + ... + 69828011.

It is an arithmetic number, because the mean of its divisors is an integer number (15626520).

Almost surely, 2^1606044000 is an apocalyptic number.

1606044000 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 1606044000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3000291840).

1606044000 is an abundant number, since it is smaller than the sum of its proper divisors (4394539680).

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

1606044000 is an equidigital number, since it uses as much as digits as its factorization.

1606044000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1606044000 is about 40075.4787869091. The cubic root of 1606044000 is about 1171.0779750217.

The spelling of 1606044000 in words is "one billion, six hundred six million, forty-four thousand".