671548196 has 24 divisors (see below), whose sum is σ = 1287056736. Its totient is φ = 304056320.

The previous prime is 671548193. The next prime is 671548211. The reversal of 671548196 is 691845176.

It is a self number, because there is not a number n which added to its sum of digits gives 671548196.

It is not an unprimeable number, because it can be changed into a prime (671548193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18386 + ... + 41001.

It is an arithmetic number, because the mean of its divisors is an integer number (53627364).

Almost surely, 2^671548196 is an apocalyptic number.

It is an amenable number.

671548196 is a deficient number, since it is larger than the sum of its proper divisors (615508540).

671548196 is a wasteful number, since it uses less digits than its factorization.

671548196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59659 (or 59657 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 671548196 is about 25914.2469695725. The cubic root of 671548196 is about 875.7074859267.

The spelling of 671548196 in words is "six hundred seventy-one million, five hundred forty-eight thousand, one hundred ninety-six".