671327149 has 8 divisors (see below), whose sum is σ = 693329760. Its totient is φ = 649527696.

The previous prime is 671327123. The next prime is 671327159. The reversal of 671327149 is 941723176.

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 671327149 - 2⁹ = 671326637 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 (671327159) 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, 44059 + ... + 57304.

It is an arithmetic number, because the mean of its divisors is an integer number (86666220).

Almost surely, 2^671327149 is an apocalyptic number.

It is an amenable number.

671327149 is a deficient number, since it is larger than the sum of its proper divisors (22002611).

671327149 is a wasteful number, since it uses less digits than its factorization.

671327149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101579.

The product of its digits is 63504, while the sum is 40.

The square root of 671327149 is about 25909.9816480059. The cubic root of 671327149 is about 875.6113926721.

The spelling of 671327149 in words is "six hundred seventy-one million, three hundred twenty-seven thousand, one hundred forty-nine".