1606066506 has 24 divisors (see below), whose sum is σ = 3796157664. Its totient is φ = 486686760.

The previous prime is 1606066477. The next prime is 1606066519. The reversal of 1606066506 is 6056606061.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

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, 4055526 + ... + 4055921.

It is an arithmetic number, because the mean of its divisors is an integer number (158173236).

Almost surely, 2^1606066506 is an apocalyptic number.

1606066506 is an abundant number, since it is smaller than the sum of its proper divisors (2190091158).

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

1606066506 is a wasteful number, since it uses less digits than its factorization.

1606066506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111466 (or 8111463 counting only the distinct ones).

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

The square root of 1606066506 is about 40075.7595810734. The cubic root of 1606066506 is about 1171.0834452242.

The spelling of 1606066506 in words is "one billion, six hundred six million, sixty-six thousand, five hundred six".