607668666769 has 8 divisors (see below), whose sum is σ = 608982339240. Its totient is φ = 606356343936.

The previous prime is 607668666763. The next prime is 607668666821. The reversal of 607668666769 is 967666866706.

It can be written as a sum of positive squares in 4 ways, for example, as 169980570369 + 437688096400 = 412287^2 + 661580^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 607668666769 - 2⁷ = 607668666641 is a prime.

It is a super-2 number, since 2×607668666769² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (607668666763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566667 + ... + 1239535.

It is an arithmetic number, because the mean of its divisors is an integer number (76122792405).

Almost surely, 2^607668666769 is an apocalyptic number.

It is an amenable number.

607668666769 is a deficient number, since it is larger than the sum of its proper divisors (1313672471).

607668666769 is a wasteful number, since it uses less digits than its factorization.

607668666769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674819.

The product of its (nonzero) digits is 987614208, while the sum is 73.

The spelling of 607668666769 in words is "six hundred seven billion, six hundred sixty-eight million, six hundred sixty-six thousand, seven hundred sixty-nine".