16706539 has 4 divisors (see below), whose sum is σ = 16859920. Its totient is φ = 16553160.

The previous prime is 16706531. The next prime is 16706587. The reversal of 16706539 is 93560761.

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

It is a cyclic number.

It is not a de Polignac number, because 16706539 - 2³ = 16706531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16706498 and 16706507.

It is not an unprimeable number, because it can be changed into a prime (16706531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76527 + ... + 76744.

It is an arithmetic number, because the mean of its divisors is an integer number (4214980).

Almost surely, 2^16706539 is an apocalyptic number.

16706539 is a deficient number, since it is larger than the sum of its proper divisors (153381).

16706539 is a wasteful number, since it uses less digits than its factorization.

16706539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153380.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 16706539 is about 4087.3633310485. The cubic root of 16706539 is about 255.6400122101.

The spelling of 16706539 in words is "sixteen million, seven hundred six thousand, five hundred thirty-nine".