1606836946 has 16 divisors (see below), whose sum is σ = 2831629248. Its totient is φ = 674197200.

The previous prime is 1606836941. The next prime is 1606836949. The reversal of 1606836946 is 6496386061.

It is a self number, because there is not a number n which added to its sum of digits gives 1606836946.

It is not an unprimeable number, because it can be changed into a prime (1606836941) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2808870 + ... + 2809441.

It is an arithmetic number, because the mean of its divisors is an integer number (176976828).

Almost surely, 2^1606836946 is an apocalyptic number.

1606836946 is a deficient number, since it is larger than the sum of its proper divisors (1224792302).

1606836946 is a wasteful number, since it uses less digits than its factorization.

1606836946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5618337.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 1606836946 is about 40085.3707229957. The cubic root of 1606836946 is about 1171.2706739376.

The spelling of 1606836946 in words is "one billion, six hundred six million, eight hundred thirty-six thousand, nine hundred forty-six".