166802163 has 16 divisors (see below), whose sum is σ = 243648000. Its totient is φ = 100664480.

The previous prime is 166802161. The next prime is 166802173. The reversal of 166802163 is 361208661.

It is a cyclic number.

It is not a de Polignac number, because 166802163 - 2¹ = 166802161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (166802161) 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, 2688 + ... + 18461.

It is an arithmetic number, because the mean of its divisors is an integer number (15228000).

Almost surely, 2^166802163 is an apocalyptic number.

166802163 is a deficient number, since it is larger than the sum of its proper divisors (76845837).

166802163 is a wasteful number, since it uses less digits than its factorization.

166802163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21402.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 166802163 is about 12915.1911716397. The cubic root of 166802163 is about 550.4703007651.

The spelling of 166802163 in words is "one hundred sixty-six million, eight hundred two thousand, one hundred sixty-three".