675666178 has 16 divisors (see below), whose sum is σ = 1114777440. Its totient is φ = 307119780.

The previous prime is 675666161. The next prime is 675666203. The reversal of 675666178 is 871666576.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124248 + ... + 129571.

It is an arithmetic number, because the mean of its divisors is an integer number (69673590).

Almost surely, 2^675666178 is an apocalyptic number.

675666178 is a deficient number, since it is larger than the sum of its proper divisors (439111262).

675666178 is a wasteful number, since it uses less digits than its factorization.

675666178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253854 (or 253832 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The square root of 675666178 is about 25993.5795534205. The cubic root of 675666178 is about 877.4938067706.

The spelling of 675666178 in words is "six hundred seventy-five million, six hundred sixty-six thousand, one hundred seventy-eight".