671055196 has 18 divisors (see below), whose sum is σ = 1366077048. Its totient is φ = 287595000.

The previous prime is 671055191. The next prime is 671055221. The reversal of 671055196 is 691550176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671055191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1711680 + ... + 1712071.

Almost surely, 2^671055196 is an apocalyptic number.

It is an amenable number.

671055196 is an abundant number, since it is smaller than the sum of its proper divisors (695021852).

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

671055196 is a wasteful number, since it uses less digits than its factorization.

671055196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423769 (or 3423760 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 671055196 is about 25904.7330810414. The cubic root of 671055196 is about 875.4931406856.

The spelling of 671055196 in words is "six hundred seventy-one million, fifty-five thousand, one hundred ninety-six".