116610228409 has 4 divisors (see below), whose sum is σ = 116786643940. Its totient is φ = 116433812880.

The previous prime is 116610228389. The next prime is 116610228419. The reversal of 116610228409 is 904822016611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 904822016611 = 7607 ⋅118945973.

It can be written as a sum of positive squares in 2 ways, for example, as 43099836025 + 73510392384 = 207605^2 + 271128^2 .

It is a cyclic number.

It is not a de Polignac number, because 116610228409 - 2¹¹ = 116610226361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116610228419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88206774 + ... + 88208095.

It is an arithmetic number, because the mean of its divisors is an integer number (29196660985).

Almost surely, 2^116610228409 is an apocalyptic number.

It is an amenable number.

116610228409 is a deficient number, since it is larger than the sum of its proper divisors (176415531).

116610228409 is an equidigital number, since it uses as much as digits as its factorization.

116610228409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176415530.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 116610228409 in words is "one hundred sixteen billion, six hundred ten million, two hundred twenty-eight thousand, four hundred nine".