16629923 has 2 divisors, whose sum is σ = 16629924. Its totient is φ = 16629922.

The previous prime is 16629901. The next prime is 16629937. The reversal of 16629923 is 32992661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16629923 - 2¹⁸ = 16367779 is a prime.

It is not a weakly prime, because it can be changed into another prime (16629323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8314961 + 8314962.

It is an arithmetic number, because the mean of its divisors is an integer number (8314962).

Almost surely, 2^16629923 is an apocalyptic number.

16629923 is a deficient number, since it is larger than the sum of its proper divisors (1).

16629923 is an equidigital number, since it uses as much as digits as its factorization.

16629923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The square root of 16629923 is about 4077.9802598836. The cubic root of 16629923 is about 255.2486258941.

The spelling of 16629923 in words is "sixteen million, six hundred twenty-nine thousand, nine hundred twenty-three".