16168600705 has 4 divisors (see below), whose sum is σ = 19402320852. Its totient is φ = 12934880560.

The previous prime is 16168600673. The next prime is 16168600709. The reversal of 16168600705 is 50700686161.

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 4808451649 + 11360149056 = 69343^2 + 106584^2 .

It is not a de Polignac number, because 16168600705 - 2⁵ = 16168600673 is a prime.

It is a super-2 number, since 2×16168600705² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16168600709) 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, 1616860066 + ... + 1616860075.

It is an arithmetic number, because the mean of its divisors is an integer number (4850580213).

Almost surely, 2^16168600705 is an apocalyptic number.

It is an amenable number.

16168600705 is a deficient number, since it is larger than the sum of its proper divisors (3233720147).

16168600705 is an equidigital number, since it uses as much as digits as its factorization.

16168600705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233720146.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 16168600705 in words is "sixteen billion, one hundred sixty-eight million, six hundred thousand, seven hundred five".