118116549 has 10 divisors (see below), whose sum is σ = 176445830. Its totient is φ = 78744312.

The previous prime is 118116547. The next prime is 118116563. The reversal of 118116549 is 945611811.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 112211649 + 5904900 = 10593^2 + 2430^2 .

It is not a de Polignac number, because 118116549 - 2¹ = 118116547 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 (118116547) 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 9 ways as a sum of consecutive naturals, for example, 729034 + ... + 729195.

It is an arithmetic number, because the mean of its divisors is an integer number (17644583).

Almost surely, 2^118116549 is an apocalyptic number.

It is an amenable number.

118116549 is a deficient number, since it is larger than the sum of its proper divisors (58329281).

118116549 is an equidigital number, since it uses as much as digits as its factorization.

118116549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458241 (or 1458232 counting only the distinct ones).

The product of its digits is 8640, while the sum is 36.

The square root of 118116549 is about 10868.1437697520. The cubic root of 118116549 is about 490.6482451777.

The spelling of 118116549 in words is "one hundred eighteen million, one hundred sixteen thousand, five hundred forty-nine".