166546963 has 8 divisors (see below), whose sum is σ = 183561840. Its totient is φ = 149844480.

The previous prime is 166546957. The next prime is 166546967. The reversal of 166546963 is 369645661.

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 166546963 - 2⁹ = 166546451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166546967) 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, 76978 + ... + 79111.

It is an arithmetic number, because the mean of its divisors is an integer number (22945230).

Almost surely, 2^166546963 is an apocalyptic number.

166546963 is a deficient number, since it is larger than the sum of its proper divisors (17014877).

166546963 is a wasteful number, since it uses less digits than its factorization.

166546963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156197.

The product of its digits is 699840, while the sum is 46.

The square root of 166546963 is about 12905.3075515464. The cubic root of 166546963 is about 550.1894256615.

The spelling of 166546963 in words is "one hundred sixty-six million, five hundred forty-six thousand, nine hundred sixty-three".