671006106161 has 16 divisors (see below), whose sum is σ = 696618413568. Its totient is φ = 645869256000.

The previous prime is 671006106143. The next prime is 671006106163. The reversal of 671006106161 is 161601600176.

It is a cyclic number.

It is not a de Polignac number, because 671006106161 - 2²² = 671001911857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671006106163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27318836 + ... + 27343386.

It is an arithmetic number, because the mean of its divisors is an integer number (43538650848).

Almost surely, 2^671006106161 is an apocalyptic number.

671006106161 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

671006106161 is a deficient number, since it is larger than the sum of its proper divisors (25612307407).

671006106161 is a wasteful number, since it uses less digits than its factorization.

671006106161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34192.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 671006106161 in words is "six hundred seventy-one billion, six million, one hundred six thousand, one hundred sixty-one".