671080068155 has 12 divisors (see below), whose sum is σ = 936772993440. Its totient is φ = 460169189424.

The previous prime is 671080068133. The next prime is 671080068199. The reversal of 671080068155 is 551860080176.

It is a happy number.

It is not a de Polignac number, because 671080068155 - 2¹² = 671080064059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1369550915 + ... + 1369551404.

It is an arithmetic number, because the mean of its divisors is an integer number (78064416120).

Almost surely, 2^671080068155 is an apocalyptic number.

671080068155 is a deficient number, since it is larger than the sum of its proper divisors (265692925285).

671080068155 is a wasteful number, since it uses less digits than its factorization.

671080068155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739102338 (or 2739102331 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 671080068155 in words is "six hundred seventy-one billion, eighty million, sixty-eight thousand, one hundred fifty-five".