671071466276345 has 16 divisors (see below), whose sum is σ = 805386532211712. Its totient is φ = 536789994185280.

The previous prime is 671071466276311. The next prime is 671071466276399. The reversal of 671071466276345 is 543672664170176.

It is not a de Polignac number, because 671071466276345 - 2¹⁰ = 671071466275321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2115031184 + ... + 2115348446.

It is an arithmetic number, because the mean of its divisors is an integer number (50336658263232).

Almost surely, 2^{671071466276345} is an apocalyptic number.

It is an amenable number.

671071466276345 is a deficient number, since it is larger than the sum of its proper divisors (134315065935367).

671071466276345 is a wasteful number, since it uses less digits than its factorization.

671071466276345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368872.

The product of its (nonzero) digits is 213373440, while the sum is 65.

The spelling of 671071466276345 in words is "six hundred seventy-one trillion, seventy-one billion, four hundred sixty-six million, two hundred seventy-six thousand, three hundred forty-five".