667374006671 has 8 divisors (see below), whose sum is σ = 671886954000. Its totient is φ = 662861512000.

The previous prime is 667374006667. The next prime is 667374006709. The reversal of 667374006671 is 176600473766.

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 667374006671 - 2² = 667374006667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667374006071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3165296 + ... + 3369546.

It is an arithmetic number, because the mean of its divisors is an integer number (83985869250).

Almost surely, 2^667374006671 is an apocalyptic number.

667374006671 is a deficient number, since it is larger than the sum of its proper divisors (4512947329).

667374006671 is a wasteful number, since it uses less digits than its factorization.

667374006671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226329.

The product of its (nonzero) digits is 5334336, while the sum is 53.

The spelling of 667374006671 in words is "six hundred sixty-seven billion, three hundred seventy-four million, six thousand, six hundred seventy-one".