617666716 has 12 divisors (see below), whose sum is σ = 1083615120. Its totient is φ = 308062400.

The previous prime is 617666677. The next prime is 617666741.

It is a happy number.

617666716 is nontrivially palindromic in base 10.

It is a congruent number.

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, 190936 + ... + 194143.

It is an arithmetic number, because the mean of its divisors is an integer number (90301260).

Almost surely, 2^617666716 is an apocalyptic number.

It is an amenable number.

617666716 is a deficient number, since it is larger than the sum of its proper divisors (465948404).

617666716 is a wasteful number, since it uses less digits than its factorization.

617666716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385484 (or 385482 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 617666716 is about 24852.9015609848. The cubic root of 617666716 is about 851.6308785522.

The spelling of 617666716 in words is "six hundred seventeen million, six hundred sixty-six thousand, seven hundred sixteen".