671044601677161 has 8 divisors (see below), whose sum is σ = 916548724242144. Its totient is φ = 436451773448480.

The previous prime is 671044601677139. The next prime is 671044601677211. The reversal of 671044601677161 is 161776106440176.

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 671044601677161 - 2⁶ = 671044601677097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671044601673161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2727823583931 + ... + 2727823584176.

It is an arithmetic number, because the mean of its divisors is an integer number (114568590530268).

Almost surely, 2^{671044601677161} is an apocalyptic number.

It is an amenable number.

671044601677161 is a deficient number, since it is larger than the sum of its proper divisors (245504122564983).

671044601677161 is a wasteful number, since it uses less digits than its factorization.

671044601677161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5455647168151.

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 671044601677161 in words is "six hundred seventy-one trillion, forty-four billion, six hundred one million, six hundred seventy-seven thousand, one hundred sixty-one".