201626 has 8 divisors (see below), whose sum is σ = 306804. Its totient is φ = 99360.

The previous prime is 201623. The next prime is 201629. The reversal of 201626 is 626102.

201626 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201623) and next prime (201629).

It can be written as a sum of positive squares in 2 ways, for example, as 201601 + 25 = 449^2 + 5^2 .

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

201626 is a modest number, since divided by 1626 gives 2 as remainder.

It is a Curzon number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (201623) 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, 545 + ... + 836.

2²⁰¹⁶²⁶ is an apocalyptic number.

201626 is a deficient number, since it is larger than the sum of its proper divisors (105178).

201626 is a wasteful number, since it uses less digits than its factorization.

201626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 201626 is about 449.0278387806. The cubic root of 201626 is about 58.6384089695.

Adding to 201626 its reverse (626102), we get a palindrome (827728).

The spelling of 201626 in words is "two hundred one thousand, six hundred twenty-six".