166000026 has 8 divisors (see below), whose sum is σ = 332000064. Its totient is φ = 55333340.

The previous prime is 166000013. The next prime is 166000027. The reversal of 166000026 is 620000661.

It is a sphenic number, since it is the product of 3 distinct primes.

166000026 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 165999966 and 166000011.

It is not an unprimeable number, because it can be changed into a prime (166000027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13833330 + ... + 13833341.

It is an arithmetic number, because the mean of its divisors is an integer number (41500008).

Almost surely, 2^166000026 is an apocalyptic number.

166000026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

166000026 is a wasteful number, since it uses less digits than its factorization.

166000026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27666676.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 166000026 is about 12884.0997357208. The cubic root of 166000026 is about 549.5864947028.

Adding to 166000026 its reverse (620000661), we get a palindrome (786000687).

The spelling of 166000026 in words is "one hundred sixty-six million, twenty-six", and thus it is an aban number.