197104666 has 8 divisors (see below), whose sum is σ = 322534944. Its totient is φ = 89593020.

The previous prime is 197104643. The next prime is 197104667. The reversal of 197104666 is 666401791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (197104667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4479630 + ... + 4479673.

It is an arithmetic number, because the mean of its divisors is an integer number (40316868).

Almost surely, 2^197104666 is an apocalyptic number.

197104666 is a deficient number, since it is larger than the sum of its proper divisors (125430278).

197104666 is a wasteful number, since it uses less digits than its factorization.

197104666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8959316.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 197104666 is about 14039.3969243697. The cubic root of 197104666 is about 581.9678166605.

The spelling of 197104666 in words is "one hundred ninety-seven million, one hundred four thousand, six hundred sixty-six".