674066700667 has 4 divisors (see below), whose sum is σ = 674083596960. Its totient is φ = 674049804376.

The previous prime is 674066700607. The next prime is 674066700679. The reversal of 674066700667 is 766007660476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 674066700667 - 2¹¹ = 674066698619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674066700607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8388163 + ... + 8468140.

It is an arithmetic number, because the mean of its divisors is an integer number (168520899240).

Almost surely, 2^674066700667 is an apocalyptic number.

674066700667 is a deficient number, since it is larger than the sum of its proper divisors (16896293).

674066700667 is a wasteful number, since it uses less digits than its factorization.

674066700667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16896292.

The product of its (nonzero) digits is 10668672, while the sum is 55.

The spelling of 674066700667 in words is "six hundred seventy-four billion, sixty-six million, seven hundred thousand, six hundred sixty-seven".