16706629 has 2 divisors, whose sum is σ = 16706630. Its totient is φ = 16706628.

The previous prime is 16706611. The next prime is 16706653. The reversal of 16706629 is 92660761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11764900 + 4941729 = 3430^2 + 2223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16706629 is a prime.

It is a super-2 number, since 2×16706629² = 558222905087282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16706689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8353314 + 8353315.

It is an arithmetic number, because the mean of its divisors is an integer number (8353315).

Almost surely, 2^16706629 is an apocalyptic number.

It is an amenable number.

16706629 is a deficient number, since it is larger than the sum of its proper divisors (1).

16706629 is an equidigital number, since it uses as much as digits as its factorization.

16706629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 16706629 is about 4087.3743405761. The cubic root of 16706629 is about 255.6404712631.

The spelling of 16706629 in words is "sixteen million, seven hundred six thousand, six hundred twenty-nine".