1606323880 has 256 divisors, whose sum is σ = 4572288000. Its totient is φ = 505774080.

The previous prime is 1606323847. The next prime is 1606323907. The reversal of 1606323880 is 883236061.

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 63 ways as a sum of consecutive naturals, for example, 16559992 + ... + 16560088.

It is an arithmetic number, because the mean of its divisors is an integer number (17860500).

Almost surely, 2^1606323880 is an apocalyptic number.

1606323880 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 1606323880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2286144000).

1606323880 is an abundant number, since it is smaller than the sum of its proper divisors (2965964120).

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

1606323880 is a wasteful number, since it uses less digits than its factorization.

1606323880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1606323880 is about 40078.9705456615. The cubic root of 1606323880 is about 1171.1459977048.

The spelling of 1606323880 in words is "one billion, six hundred six million, three hundred twenty-three thousand, eight hundred eighty".