166845063 has 16 divisors (see below), whose sum is σ = 277353216. Its totient is φ = 86672640.

The previous prime is 166845043. The next prime is 166845073. The reversal of 166845063 is 360548661.

It is not a de Polignac number, because 166845063 - 2⁹ = 166844551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166845043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360906 + ... + 361367.

It is an arithmetic number, because the mean of its divisors is an integer number (17334576).

Almost surely, 2^166845063 is an apocalyptic number.

166845063 is a deficient number, since it is larger than the sum of its proper divisors (110508153).

166845063 is a wasteful number, since it uses less digits than its factorization.

166845063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722294.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 166845063 is about 12916.8518997471. The cubic root of 166845063 is about 550.5174887057.

The spelling of 166845063 in words is "one hundred sixty-six million, eight hundred forty-five thousand, sixty-three".