16109629 has 2 divisors, whose sum is σ = 16109630. Its totient is φ = 16109628.

The previous prime is 16109627. The next prime is 16109633. The reversal of 16109629 is 92690161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15784729 + 324900 = 3973^2 + 570^2 .

It is a cyclic number.

It is not a de Polignac number, because 16109629 - 2¹ = 16109627 is a prime.

Together with 16109627, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16109594 and 16109603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16109627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8054814 + 8054815.

It is an arithmetic number, because the mean of its divisors is an integer number (8054815).

Almost surely, 2^16109629 is an apocalyptic number.

It is an amenable number.

16109629 is a deficient number, since it is larger than the sum of its proper divisors (1).

16109629 is an equidigital number, since it uses as much as digits as its factorization.

16109629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 16109629 is about 4013.6802314086. The cubic root of 16109629 is about 252.5584167033.

The spelling of 16109629 in words is "sixteen million, one hundred nine thousand, six hundred twenty-nine".