18116701 has 8 divisors (see below), whose sum is σ = 18343800. Its totient is φ = 17891328.

The previous prime is 18116687. The next prime is 18116719. The reversal of 18116701 is 10761181.

It can be written as a sum of positive squares in 4 ways, for example, as 7027801 + 11088900 = 2651^2 + 3330^2 .

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 18116701 - 2⁵ = 18116669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18116731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40125 + ... + 40573.

It is an arithmetic number, because the mean of its divisors is an integer number (2292975).

Almost surely, 2^18116701 is an apocalyptic number.

It is an amenable number.

18116701 is a deficient number, since it is larger than the sum of its proper divisors (227099).

18116701 is a wasteful number, since it uses less digits than its factorization.

18116701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863.

The product of its (nonzero) digits is 336, while the sum is 25.

The square root of 18116701 is about 4256.3718117664. The cubic root of 18116701 is about 262.6392959862.

Adding to 18116701 its reverse (10761181), we get a palindrome (28877882).

The spelling of 18116701 in words is "eighteen million, one hundred sixteen thousand, seven hundred one".