166000626 has 72 divisors (see below), whose sum is σ = 398361600. Its totient is φ = 49919760.

The previous prime is 166000621. The next prime is 166000633. The reversal of 166000626 is 626000661.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 166000626.

It is not an unprimeable number, because it can be changed into a prime (166000621) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 433231 + ... + 433613.

It is an arithmetic number, because the mean of its divisors is an integer number (5532800).

Almost surely, 2^166000626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166000626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199180800).

166000626 is an abundant number, since it is smaller than the sum of its proper divisors (232360974).

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

166000626 is a wasteful number, since it uses less digits than its factorization.

166000626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 166000626 is about 12884.1230202137. The cubic root of 166000626 is about 549.5871568543.

The spelling of 166000626 in words is "one hundred sixty-six million, six hundred twenty-six", and thus it is an aban number.