671754016231 has 8 divisors (see below), whose sum is σ = 674138085984. Its totient is φ = 669371613600.

The previous prime is 671754016147. The next prime is 671754016243. The reversal of 671754016231 is 132610457176.

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 671754016231 - 2²⁷ = 671619798503 is a prime.

It is a super-2 number, since 2×671754016231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671754016291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393321 + ... + 1224013.

It is an arithmetic number, because the mean of its divisors is an integer number (84267260748).

Almost surely, 2^671754016231 is an apocalyptic number.

671754016231 is a deficient number, since it is larger than the sum of its proper divisors (2384069753).

671754016231 is a wasteful number, since it uses less digits than its factorization.

671754016231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833561.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 671754016231 in words is "six hundred seventy-one billion, seven hundred fifty-four million, sixteen thousand, two hundred thirty-one".