118146563 has 4 divisors (see below), whose sum is σ = 118168848. Its totient is φ = 118124280.

The previous prime is 118146533. The next prime is 118146571. The reversal of 118146563 is 365641811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 365641811 = 47 ⋅7779613.

It is a cyclic number.

It is not a de Polignac number, because 118146563 - 2²² = 113952259 is a prime.

It is a super-2 number, since 2×118146563² = 27917220697425938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118146533) 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 3 ways as a sum of consecutive naturals, for example, 1898 + ... + 15488.

It is an arithmetic number, because the mean of its divisors is an integer number (29542212).

Almost surely, 2^118146563 is an apocalyptic number.

118146563 is a deficient number, since it is larger than the sum of its proper divisors (22285).

118146563 is an equidigital number, since it uses as much as digits as its factorization.

118146563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22284.

The product of its digits is 17280, while the sum is 35.

The square root of 118146563 is about 10869.5245066194. The cubic root of 118146563 is about 490.6898003744.

The spelling of 118146563 in words is "one hundred eighteen million, one hundred forty-six thousand, five hundred sixty-three".