16706329 has 4 divisors (see below), whose sum is σ = 16731684. Its totient is φ = 16680976.

The previous prime is 16706251. The next prime is 16706341. The reversal of 16706329 is 92360761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15784729 + 921600 = 3973^2 + 960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16706329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16706294 and 16706303.

It is not an unprimeable number, because it can be changed into a prime (16706369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11662 + ... + 13015.

It is an arithmetic number, because the mean of its divisors is an integer number (4182921).

Almost surely, 2^16706329 is an apocalyptic number.

It is an amenable number.

16706329 is a deficient number, since it is larger than the sum of its proper divisors (25355).

16706329 is an equidigital number, since it uses as much as digits as its factorization.

16706329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25354.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 16706329 is about 4087.3376420355. The cubic root of 16706329 is about 255.6389410801.

The spelling of 16706329 in words is "sixteen million, seven hundred six thousand, three hundred twenty-nine".