16629029 has 2 divisors, whose sum is σ = 16629030. Its totient is φ = 16629028.

The previous prime is 16629007. The next prime is 16629031. The reversal of 16629029 is 92092661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16240900 + 388129 = 4030^2 + 623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16629029 is a prime.

It is a Sophie Germain prime.

Together with 16629031, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is equal to p_1068929 and since 16629029 and 1068929 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16629029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16629229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8314514 + 8314515.

It is an arithmetic number, because the mean of its divisors is an integer number (8314515).

Almost surely, 2^16629029 is an apocalyptic number.

It is an amenable number.

16629029 is a deficient number, since it is larger than the sum of its proper divisors (1).

16629029 is an equidigital number, since it uses as much as digits as its factorization.

16629029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 16629029 is about 4077.8706453246. The cubic root of 16629029 is about 255.2440518829.

The spelling of 16629029 in words is "sixteen million, six hundred twenty-nine thousand, twenty-nine".