166110666 has 32 divisors (see below), whose sum is σ = 346429440. Its totient is φ = 53032896.

The previous prime is 166110653. The next prime is 166110671. The reversal of 166110666 is 666011661.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18340 + ... + 25856.

It is an arithmetic number, because the mean of its divisors is an integer number (10825920).

Almost surely, 2^166110666 is an apocalyptic number.

166110666 is an abundant number, since it is smaller than the sum of its proper divisors (180318774).

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

166110666 is a wasteful number, since it uses less digits than its factorization.

166110666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7678.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 166110666 is about 12888.3926848929. The cubic root of 166110666 is about 549.7085684699.

The spelling of 166110666 in words is "one hundred sixty-six million, one hundred ten thousand, six hundred sixty-six".