1606968196 has 6 divisors (see below), whose sum is σ = 2812194350. Its totient is φ = 803484096.

The previous prime is 1606968157. The next prime is 1606968221. The reversal of 1606968196 is 6918696061.

It can be written as a sum of positive squares in only one way, i.e., 1292402500 + 314565696 = 35950^2 + 17736^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200871021 + ... + 200871028.

Almost surely, 2^1606968196 is an apocalyptic number.

It is an amenable number.

1606968196 is a deficient number, since it is larger than the sum of its proper divisors (1205226154).

1606968196 is a wasteful number, since it uses less digits than its factorization.

1606968196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401742053 (or 401742051 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 1606968196 is about 40087.0078204897. The cubic root of 1606968196 is about 1171.3025637301.

The spelling of 1606968196 in words is "one billion, six hundred six million, nine hundred sixty-eight thousand, one hundred ninety-six".