120666166 has 8 divisors (see below), whose sum is σ = 181092240. Its totient is φ = 60302088.

The previous prime is 120666089. The next prime is 120666181. The reversal of 120666166 is 661666021.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10281 + ... + 18628.

It is an arithmetic number, because the mean of its divisors is an integer number (22636530).

Almost surely, 2^120666166 is an apocalyptic number.

120666166 is a deficient number, since it is larger than the sum of its proper divisors (60426074).

120666166 is a wasteful number, since it uses less digits than its factorization.

120666166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30998.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 120666166 is about 10984.8152465119. The cubic root of 120666166 is about 494.1534569991.

The spelling of 120666166 in words is "one hundred twenty million, six hundred sixty-six thousand, one hundred sixty-six".