671074550361 has 12 divisors (see below), whose sum is σ = 969429563440. Its totient is φ = 447337037880.

The previous prime is 671074550329. The next prime is 671074550369. The reversal of 671074550361 is 163055470176.

671074550361 is a `hidden beast` number, since 6 + 7 + 10 + 74 + 5 + 503 + 61 = 666.

It is not a de Polignac number, because 671074550361 - 2⁵ = 671074550329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671074550369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3740455 + ... + 3915756.

Almost surely, 2^671074550361 is an apocalyptic number.

It is an amenable number.

671074550361 is a deficient number, since it is larger than the sum of its proper divisors (298355013079).

671074550361 is a wasteful number, since it uses less digits than its factorization.

671074550361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7665956 (or 7665953 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 671074550361 in words is "six hundred seventy-one billion, seventy-four million, five hundred fifty thousand, three hundred sixty-one".