671161016705 has 32 divisors (see below), whose sum is σ = 817438003200. Its totient is φ = 528971046912.

The previous prime is 671161016693. The next prime is 671161016717. The reversal of 671161016705 is 507610161176.

It is an interprime number because it is at equal distance from previous prime (671161016693) and next prime (671161016717).

It is a cyclic number.

It is not a de Polignac number, because 671161016705 - 2³⁰ = 670087274881 is a prime.

It is a super-2 number, since 2×671161016705² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 56068961 + ... + 56080929.

It is an arithmetic number, because the mean of its divisors is an integer number (25544937600).

Almost surely, 2^671161016705 is an apocalyptic number.

It is an amenable number.

671161016705 is a deficient number, since it is larger than the sum of its proper divisors (146276986495).

671161016705 is a wasteful number, since it uses less digits than its factorization.

671161016705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12713.

The product of its (nonzero) digits is 52920, while the sum is 41.

The spelling of 671161016705 in words is "six hundred seventy-one billion, one hundred sixty-one million, sixteen thousand, seven hundred five".