2066135626 has 8 divisors (see below), whose sum is σ = 3108981060. Its totient is φ = 1029808608.

The previous prime is 2066135593. The next prime is 2066135629. The reversal of 2066135626 is 6265316602.

It can be written as a sum of positive squares in 2 ways, for example, as 2065793401 + 342225 = 45451^2 + 585^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2066135629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628811 + ... + 1630078.

Almost surely, 2^2066135626 is an apocalyptic number.

2066135626 is a deficient number, since it is larger than the sum of its proper divisors (1042845434).

2066135626 is a wasteful number, since it uses less digits than its factorization.

2066135626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259208.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 2066135626 is about 45454.7646127444. The cubic root of 2066135626 is about 1273.6583351363.

The spelling of 2066135626 in words is "two billion, sixty-six million, one hundred thirty-five thousand, six hundred twenty-six".