1606684968 has 96 divisors (see below), whose sum is σ = 4983638400. Its totient is φ = 458077824.

The previous prime is 1606684967. The next prime is 1606684979. The reversal of 1606684968 is 8694866061.

It is a super-2 number, since 2×1606684968² = 5162873172794322048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1606684967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253405 + ... + 259667.

It is an arithmetic number, because the mean of its divisors is an integer number (51912900).

Almost surely, 2^1606684968 is an apocalyptic number.

1606684968 is a gapful number since it is divisible by the number (18) 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 1606684968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2491819200).

1606684968 is an abundant number, since it is smaller than the sum of its proper divisors (3376953432).

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

1606684968 is a wasteful number, since it uses less digits than its factorization.

1606684968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6791 (or 6784 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 1606684968 is about 40083.4749990567. The cubic root of 1606684968 is about 1171.2337456964.

The spelling of 1606684968 in words is "one billion, six hundred six million, six hundred eighty-four thousand, nine hundred sixty-eight".