166040629 has 2 divisors, whose sum is σ = 166040630. Its totient is φ = 166040628.

The previous prime is 166040627. The next prime is 166040647. The reversal of 166040629 is 926040661.

166040629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163251729 + 2788900 = 12777^2 + 1670^2 .

It is a cyclic number.

It is not a de Polignac number, because 166040629 - 2¹ = 166040627 is a prime.

Together with 166040627, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 166040594 and 166040603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166040621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83020314 + 83020315.

It is an arithmetic number, because the mean of its divisors is an integer number (83020315).

Almost surely, 2^166040629 is an apocalyptic number.

It is an amenable number.

166040629 is a deficient number, since it is larger than the sum of its proper divisors (1).

166040629 is an equidigital number, since it uses as much as digits as its factorization.

166040629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 166040629 is about 12885.6753412462. The cubic root of 166040629 is about 549.6312999996.

The spelling of 166040629 in words is "one hundred sixty-six million, forty thousand, six hundred twenty-nine".