166010013 has 16 divisors (see below), whose sum is σ = 264859840. Its totient is φ = 102159792.

The previous prime is 166010003. The next prime is 166010027. The reversal of 166010013 is 310010661.

166010013 is a `hidden beast` number, since 1 + 660 + 1 + 0 + 0 + 1 + 3 = 666.

It is not a de Polignac number, because 166010013 - 2⁴ = 166009997 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 (166010003) 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, 236131 + ... + 236832.

It is an arithmetic number, because the mean of its divisors is an integer number (16553740).

Almost surely, 2^166010013 is an apocalyptic number.

166010013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

166010013 is a deficient number, since it is larger than the sum of its proper divisors (98849827).

166010013 is a wasteful number, since it uses less digits than its factorization.

166010013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472985 (or 472979 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 166010013 is about 12884.4873006263. The cubic root of 166010013 is about 549.5975160068.

Adding to 166010013 its reverse (310010661), we get a palindrome (476020674).

The spelling of 166010013 in words is "one hundred sixty-six million, ten thousand, thirteen".