1606606506 has 48 divisors (see below), whose sum is σ = 3586096800. Its totient is φ = 519533280.

The previous prime is 1606606483. The next prime is 1606606513. The reversal of 1606606506 is 6056066061.

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 23 ways as a sum of consecutive naturals, for example, 108361 + ... + 122291.

It is an arithmetic number, because the mean of its divisors is an integer number (74710350).

Almost surely, 2^1606606506 is an apocalyptic number.

1606606506 is an abundant number, since it is smaller than the sum of its proper divisors (1979490294).

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

1606606506 is a wasteful number, since it uses less digits than its factorization.

1606606506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14131 (or 14128 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1606606506 is about 40082.4962545997. The cubic root of 1606606506 is about 1171.2146797646.

The spelling of 1606606506 in words is "one billion, six hundred six million, six hundred six thousand, five hundred six".