16706622644437 has 8 divisors (see below), whose sum is σ = 18225444121920. Its totient is φ = 15187807433760.

The previous prime is 16706622644423. The next prime is 16706622644489. The reversal of 16706622644437 is 73444622660761.

16706622644437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16706622644437 - 2¹⁵ = 16706622611669 is a prime.

It is a super-2 number, since 2×16706622644437² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16706622344437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5325864 + ... + 7859902.

It is an arithmetic number, because the mean of its divisors is an integer number (2278180515240).

Almost surely, 2^{16706622644437} is an apocalyptic number.

It is an amenable number.

16706622644437 is a deficient number, since it is larger than the sum of its proper divisors (1518821477483).

16706622644437 is a wasteful number, since it uses less digits than its factorization.

16706622644437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133403.

The product of its (nonzero) digits is 48771072, while the sum is 58.

The spelling of 16706622644437 in words is "sixteen trillion, seven hundred six billion, six hundred twenty-two million, six hundred forty-four thousand, four hundred thirty-seven".