166607629 has 2 divisors, whose sum is σ = 166607630. Its totient is φ = 166607628.

The previous prime is 166607611. The next prime is 166607647. The reversal of 166607629 is 926706661.

It is a balanced prime because it is at equal distance from previous prime (166607611) and next prime (166607647).

It can be written as a sum of positive squares in only one way, i.e., 141657604 + 24950025 = 11902^2 + 4995^2 .

It is a cyclic number.

It is not a de Polignac number, because 166607629 - 2¹¹ = 166605581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166607689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83303814 + 83303815.

It is an arithmetic number, because the mean of its divisors is an integer number (83303815).

Almost surely, 2^166607629 is an apocalyptic number.

It is an amenable number.

166607629 is a deficient number, since it is larger than the sum of its proper divisors (1).

166607629 is an equidigital number, since it uses as much as digits as its factorization.

166607629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 166607629 is about 12907.6577658381. The cubic root of 166607629 is about 550.2562211150.

The spelling of 166607629 in words is "one hundred sixty-six million, six hundred seven thousand, six hundred twenty-nine".