116161066165 has 8 divisors (see below), whose sum is σ = 139514182488. Its totient is φ = 92848250880.

The previous prime is 116161066157. The next prime is 116161066169. The reversal of 116161066165 is 561660161611.

It can be written as a sum of positive squares in 4 ways, for example, as 60550937041 + 55610129124 = 246071^2 + 235818^2 .

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

It is not a de Polignac number, because 116161066165 - 2³ = 116161066157 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 (116161066169) 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, 10068916 + ... + 10080445.

It is an arithmetic number, because the mean of its divisors is an integer number (17439272811).

Almost surely, 2^116161066165 is an apocalyptic number.

It is an amenable number.

116161066165 is a deficient number, since it is larger than the sum of its proper divisors (23353116323).

116161066165 is a wasteful number, since it uses less digits than its factorization.

116161066165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20150519.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 116161066165 in words is "one hundred sixteen billion, one hundred sixty-one million, sixty-six thousand, one hundred sixty-five".