166302166 has 16 divisors (see below), whose sum is σ = 257846400. Its totient is φ = 80360640.

The previous prime is 166302163. The next prime is 166302173. The reversal of 166302166 is 661203661.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166302163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63760 + ... + 66316.

It is an arithmetic number, because the mean of its divisors is an integer number (16115400).

Almost surely, 2^166302166 is an apocalyptic number.

166302166 is a deficient number, since it is larger than the sum of its proper divisors (91544234).

166302166 is a wasteful number, since it uses less digits than its factorization.

166302166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 166302166 is about 12895.8197102782. The cubic root of 166302166 is about 549.9197304344.

The spelling of 166302166 in words is "one hundred sixty-six million, three hundred two thousand, one hundred sixty-six".