116144561 has 8 divisors (see below), whose sum is σ = 132436584. Its totient is φ = 100903680.

The previous prime is 116144491. The next prime is 116144563. The reversal of 116144561 is 165441611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8814961 + 107329600 = 2969^2 + 10360^2 .

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 116144561 - 2²⁶ = 49035697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116144563) 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, 262550 + ... + 262991.

It is an arithmetic number, because the mean of its divisors is an integer number (16554573).

Almost surely, 2^116144561 is an apocalyptic number.

It is an amenable number.

116144561 is a deficient number, since it is larger than the sum of its proper divisors (16292023).

116144561 is a wasteful number, since it uses less digits than its factorization.

116144561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525571.

The product of its digits is 2880, while the sum is 29.

The square root of 116144561 is about 10777.0386006546. The cubic root of 116144561 is about 487.9024050668.

The spelling of 116144561 in words is "one hundred sixteen million, one hundred forty-four thousand, five hundred sixty-one".