1608434866 has 16 divisors (see below), whose sum is σ = 2475158400. Its totient is φ = 783479088.

The previous prime is 1608434851. The next prime is 1608434869. The reversal of 1608434866 is 6684348061.

It is not an unprimeable number, because it can be changed into a prime (1608434869) 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 7 ways as a sum of consecutive naturals, for example, 9415 + ... + 57493.

It is an arithmetic number, because the mean of its divisors is an integer number (154697400).

Almost surely, 2^1608434866 is an apocalyptic number.

1608434866 is a deficient number, since it is larger than the sum of its proper divisors (866723534).

1608434866 is a wasteful number, since it uses less digits than its factorization.

1608434866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48513.

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 1608434866 is about 40105.2972311639. The cubic root of 1608434866 is about 1171.6588022578.

The spelling of 1608434866 in words is "one billion, six hundred eight million, four hundred thirty-four thousand, eight hundred sixty-six".