166541063 has 8 divisors (see below), whose sum is σ = 180356400. Its totient is φ = 152869248.

The previous prime is 166541017. The next prime is 166541093. The reversal of 166541063 is 360145661.

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 166541063 - 2⁸ = 166540807 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 (166541093) 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, 33458 + ... + 38111.

It is an arithmetic number, because the mean of its divisors is an integer number (22544550).

Almost surely, 2^166541063 is an apocalyptic number.

166541063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

166541063 is a deficient number, since it is larger than the sum of its proper divisors (13815337).

166541063 is a wasteful number, since it uses less digits than its factorization.

166541063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71761.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 166541063 is about 12905.0789614012. The cubic root of 166541063 is about 550.1829286833.

The spelling of 166541063 in words is "one hundred sixty-six million, five hundred forty-one thousand, sixty-three".