166830018 has 16 divisors (see below), whose sum is σ = 335132640. Its totient is φ = 55364576.

The previous prime is 166830007. The next prime is 166830023. The reversal of 166830018 is 810038661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59883 + ... + 62606.

It is an arithmetic number, because the mean of its divisors is an integer number (20945790).

Almost surely, 2^166830018 is an apocalyptic number.

166830018 is an abundant number, since it is smaller than the sum of its proper divisors (168302622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166830018 is a wasteful number, since it uses less digits than its factorization.

166830018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122721.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 166830018 is about 12916.2695078726. The cubic root of 166830018 is about 550.5009408490.

Adding to 166830018 its reverse (810038661), we get a palindrome (976868679).

The spelling of 166830018 in words is "one hundred sixty-six million, eight hundred thirty thousand, eighteen".