617007668 has 24 divisors (see below), whose sum is σ = 1085918400. Its totient is φ = 306751808.

The previous prime is 617007661. The next prime is 617007709. The reversal of 617007668 is 866700716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617007661) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 953321 + ... + 953967.

It is an arithmetic number, because the mean of its divisors is an integer number (45246600).

Almost surely, 2^617007668 is an apocalyptic number.

It is an amenable number.

617007668 is a deficient number, since it is larger than the sum of its proper divisors (468910732).

617007668 is a wasteful number, since it uses less digits than its factorization.

617007668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1637 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 617007668 is about 24839.6390472970. The cubic root of 617007668 is about 851.3278751396.

The spelling of 617007668 in words is "six hundred seventeen million, seven thousand, six hundred sixty-eight".