166889063 has 8 divisors (see below), whose sum is σ = 186295296. Its totient is φ = 148188600.

The previous prime is 166889029. The next prime is 166889069. The reversal of 166889063 is 360988661.

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 166889063 - 2⁸ = 166888807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166888999 and 166889017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166889069) 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, 175943 + ... + 176888.

It is an arithmetic number, because the mean of its divisors is an integer number (23286912).

Almost surely, 2^166889063 is an apocalyptic number.

166889063 is a deficient number, since it is larger than the sum of its proper divisors (19406233).

166889063 is a wasteful number, since it uses less digits than its factorization.

166889063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352885.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 166889063 is about 12918.5549888523. The cubic root of 166889063 is about 550.5658781916.

The spelling of 166889063 in words is "one hundred sixty-six million, eight hundred eighty-nine thousand, sixty-three".