673656616 has 16 divisors (see below), whose sum is σ = 1267912800. Its totient is φ = 335546544.

The previous prime is 673656601. The next prime is 673656649. The reversal of 673656616 is 616656376.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157986 + ... + 162193.

It is an arithmetic number, because the mean of its divisors is an integer number (79244550).

Almost surely, 2^673656616 is an apocalyptic number.

It is an amenable number.

673656616 is a deficient number, since it is larger than the sum of its proper divisors (594256184).

673656616 is a wasteful number, since it uses less digits than its factorization.

673656616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320448 (or 320444 counting only the distinct ones).

The product of its digits is 816480, while the sum is 46.

The square root of 673656616 is about 25954.8958002146. The cubic root of 673656616 is about 876.6229974023.

The spelling of 673656616 in words is "six hundred seventy-three million, six hundred fifty-six thousand, six hundred sixteen".