16629941 has 2 divisors, whose sum is σ = 16629942. Its totient is φ = 16629940.

The previous prime is 16629937. The next prime is 16629947. The reversal of 16629941 is 14992661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9947716 + 6682225 = 3154^2 + 2585^2 .

It is an emirp because it is prime and its reverse (14992661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16629941 - 2² = 16629937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16629895 and 16629904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16629947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8314970 + 8314971.

It is an arithmetic number, because the mean of its divisors is an integer number (8314971).

Almost surely, 2^16629941 is an apocalyptic number.

It is an amenable number.

16629941 is a deficient number, since it is larger than the sum of its proper divisors (1).

16629941 is an equidigital number, since it uses as much as digits as its factorization.

16629941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 16629941 is about 4077.9824668578. The cubic root of 16629941 is about 255.2487179866.

The spelling of 16629941 in words is "sixteen million, six hundred twenty-nine thousand, nine hundred forty-one".