1606388006 has 16 divisors (see below), whose sum is σ = 2420167680. Its totient is φ = 799674120.

The previous prime is 1606387963. The next prime is 1606388027. The reversal of 1606388006 is 6008836061.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 476555 + ... + 479913.

It is an arithmetic number, because the mean of its divisors is an integer number (151260480).

Almost surely, 2^1606388006 is an apocalyptic number.

1606388006 is a deficient number, since it is larger than the sum of its proper divisors (813779674).

1606388006 is a wasteful number, since it uses less digits than its factorization.

1606388006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1606388006 is about 40079.7705332753. The cubic root of 1606388006 is about 1171.1615819237.

The spelling of 1606388006 in words is "one billion, six hundred six million, three hundred eighty-eight thousand, six".