1606055506 has 12 divisors (see below), whose sum is σ = 2648001006. Its totient is φ = 730025120.

The previous prime is 1606055453. The next prime is 1606055513. The reversal of 1606055506 is 6055506061.

It can be written as a sum of positive squares in only one way, i.e., 1056575025 + 549480481 = 32505^2 + 23441^2 .

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 5 ways as a sum of consecutive naturals, for example, 3318055 + ... + 3318538.

Almost surely, 2^1606055506 is an apocalyptic number.

1606055506 is a deficient number, since it is larger than the sum of its proper divisors (1041945500).

1606055506 is a wasteful number, since it uses less digits than its factorization.

1606055506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6636617 (or 6636606 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 1606055506 is about 40075.6223407697. The cubic root of 1606055506 is about 1171.0807716223.

The spelling of 1606055506 in words is "one billion, six hundred six million, fifty-five thousand, five hundred six".