1606506606 has 24 divisors (see below), whose sum is σ = 3515231304. Its totient is φ = 530199600.

The previous prime is 1606506581. The next prime is 1606506607. The reversal of 1606506606 is 6066056061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606506607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440016 + ... + 443651.

It is an arithmetic number, because the mean of its divisors is an integer number (146467971).

Almost surely, 2^1606506606 is an apocalyptic number.

1606506606 is an abundant number, since it is smaller than the sum of its proper divisors (1908724698).

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

1606506606 is a wasteful number, since it uses less digits than its factorization.

1606506606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883776 (or 883773 counting only the distinct ones).

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

The square root of 1606506606 is about 40081.2500553563. The cubic root of 1606506606 is about 1171.1904035917.

The spelling of 1606506606 in words is "one billion, six hundred six million, five hundred six thousand, six hundred six".