16706142725317 has 4 divisors (see below), whose sum is σ = 16715187742176. Its totient is φ = 16697097708460.

The previous prime is 16706142725309. The next prime is 16706142725323. The reversal of 16706142725317 is 71352724160761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16706142725317 - 2³ = 16706142725309 is a prime.

It is a super-2 number, since 2×16706142725317² (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 (16706142725357) 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, 4522505659 + ... + 4522509352.

It is an arithmetic number, because the mean of its divisors is an integer number (4178796935544).

Almost surely, 2^{16706142725317} is an apocalyptic number.

It is an amenable number.

16706142725317 is a deficient number, since it is larger than the sum of its proper divisors (9045016859).

16706142725317 is an equidigital number, since it uses as much as digits as its factorization.

16706142725317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9045016858.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 16706142725317 in words is "sixteen trillion, seven hundred six billion, one hundred forty-two million, seven hundred twenty-five thousand, three hundred seventeen".