1606310668 has 6 divisors (see below), whose sum is σ = 2811043676. Its totient is φ = 803155332.

The previous prime is 1606310659. The next prime is 1606310683. The reversal of 1606310668 is 8660136061.

It is a happy 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 as a sum of consecutive naturals, namely, 200788830 + ... + 200788837.

Almost surely, 2^1606310668 is an apocalyptic number.

It is an amenable number.

1606310668 is a deficient number, since it is larger than the sum of its proper divisors (1204733008).

1606310668 is a wasteful number, since it uses less digits than its factorization.

1606310668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401577671 (or 401577669 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1606310668 is about 40078.8057207298. The cubic root of 1606310668 is about 1171.1427868074.

The spelling of 1606310668 in words is "one billion, six hundred six million, three hundred ten thousand, six hundred sixty-eight".