671771106 has 24 divisors (see below), whose sum is σ = 1532110320. Its totient is φ = 212138136.

The previous prime is 671771081. The next prime is 671771117. The reversal of 671771106 is 601177176.

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, 981780 + ... + 982463.

It is an arithmetic number, because the mean of its divisors is an integer number (63837930).

Almost surely, 2^671771106 is an apocalyptic number.

671771106 is an abundant number, since it is smaller than the sum of its proper divisors (860339214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671771106 is a wasteful number, since it uses less digits than its factorization.

671771106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964270 (or 1964267 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The square root of 671771106 is about 25918.5475287486. The cubic root of 671771106 is about 875.8043677105.

The spelling of 671771106 in words is "six hundred seventy-one million, seven hundred seventy-one thousand, one hundred six".