16170655657161 has 8 divisors (see below), whose sum is σ = 21596868993600. Its totient is φ = 10762439712752.

The previous prime is 16170655657159. The next prime is 16170655657223. The reversal of 16170655657161 is 16175655607161.

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 16170655657161 - 2¹ = 16170655657159 is a prime.

It is a super-2 number, since 2×16170655657161² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16170655657111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4499345910 + ... + 4499349503.

It is an arithmetic number, because the mean of its divisors is an integer number (2699608624200).

Almost surely, 2^{16170655657161} is an apocalyptic number.

It is an amenable number.

16170655657161 is a deficient number, since it is larger than the sum of its proper divisors (5426213336439).

16170655657161 is an equidigital number, since it uses as much as digits as its factorization.

16170655657161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8998696015.

The product of its (nonzero) digits is 7938000, while the sum is 57.

The spelling of 16170655657161 in words is "sixteen trillion, one hundred seventy billion, six hundred fifty-five million, six hundred fifty-seven thousand, one hundred sixty-one".