166110066 has 12 divisors (see below), whose sum is σ = 359905182. Its totient is φ = 55370016.

The previous prime is 166110053. The next prime is 166110067. The reversal of 166110066 is 660011661.

It can be written as a sum of positive squares in only one way, i.e., 162945225 + 3164841 = 12765^2 + 1779^2 .

It is not an unprimeable number, because it can be changed into a prime (166110067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4614151 + ... + 4614186.

Almost surely, 2^166110066 is an apocalyptic number.

166110066 is an abundant number, since it is smaller than the sum of its proper divisors (193795116).

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

166110066 is a wasteful number, since it uses less digits than its factorization.

166110066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9228345 (or 9228342 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 166110066 is about 12888.3694081137. The cubic root of 166110066 is about 549.7079066108.

The spelling of 166110066 in words is "one hundred sixty-six million, one hundred ten thousand, sixty-six".