1606673806 has 8 divisors (see below), whose sum is σ = 2468791584. Its totient is φ = 783743280.

The previous prime is 1606673777. The next prime is 1606673807. The reversal of 1606673806 is 6083766061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606673807) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9796710 + ... + 9796873.

It is an arithmetic number, because the mean of its divisors is an integer number (308598948).

Almost surely, 2^1606673806 is an apocalyptic number.

1606673806 is a deficient number, since it is larger than the sum of its proper divisors (862117778).

1606673806 is a wasteful number, since it uses less digits than its factorization.

1606673806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19593626.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 1606673806 is about 40083.3357643797. The cubic root of 1606673806 is about 1171.2310334158.

The spelling of 1606673806 in words is "one billion, six hundred six million, six hundred seventy-three thousand, eight hundred six".