166301663 has 8 divisors (see below), whose sum is σ = 181549056. Its totient is φ = 151075800.

The previous prime is 166301591. The next prime is 166301669. The reversal of 166301663 is 366103661.

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

It is a cyclic number.

It is not a de Polignac number, because 166301663 - 2¹⁰ = 166300639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166301669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13748 + ... + 22838.

It is an arithmetic number, because the mean of its divisors is an integer number (22693632).

Almost surely, 2^166301663 is an apocalyptic number.

166301663 is a deficient number, since it is larger than the sum of its proper divisors (15247393).

166301663 is a wasteful number, since it uses less digits than its factorization.

166301663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10765.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 166301663 is about 12895.8002078196. The cubic root of 166301663 is about 549.9191760021.

The spelling of 166301663 in words is "one hundred sixty-six million, three hundred one thousand, six hundred sixty-three".