671105676 has 12 divisors (see below), whose sum is σ = 1565913272. Its totient is φ = 223701888.

The previous prime is 671105653. The next prime is 671105681. The reversal of 671105676 is 676501176.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27962725 + ... + 27962748.

Almost surely, 2^671105676 is an apocalyptic number.

It is an amenable number.

671105676 is an abundant number, since it is smaller than the sum of its proper divisors (894807596).

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

671105676 is a wasteful number, since it uses less digits than its factorization.

671105676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55925480 (or 55925478 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 671105676 is about 25905.7074020379. The cubic root of 671105676 is about 875.5150930704.

The spelling of 671105676 in words is "six hundred seventy-one million, one hundred five thousand, six hundred seventy-six".