116644345 has 4 divisors (see below), whose sum is σ = 139973220. Its totient is φ = 93315472.

The previous prime is 116644321. The next prime is 116644349. The reversal of 116644345 is 543446611.

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 24176889 + 92467456 = 4917^2 + 9616^2 .

It is a cyclic number.

It is not a de Polignac number, because 116644345 - 2¹⁵ = 116611577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116644345.

It is not an unprimeable number, because it can be changed into a prime (116644349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11664430 + ... + 11664439.

It is an arithmetic number, because the mean of its divisors is an integer number (34993305).

Almost surely, 2^116644345 is an apocalyptic number.

It is an amenable number.

116644345 is a deficient number, since it is larger than the sum of its proper divisors (23328875).

116644345 is an equidigital number, since it uses as much as digits as its factorization.

116644345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23328874.

The product of its digits is 34560, while the sum is 34.

The square root of 116644345 is about 10800.2011555341. The cubic root of 116644345 is about 488.6012378585.

The spelling of 116644345 in words is "one hundred sixteen million, six hundred forty-four thousand, three hundred forty-five".