118550643 has 8 divisors (see below), whose sum is σ = 159972288. Its totient is φ = 78081384.

The previous prime is 118550623. The next prime is 118550651. The reversal of 118550643 is 346055811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118550643 - 2⁵ = 118550611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118550623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237805 + ... + 238302.

It is an arithmetic number, because the mean of its divisors is an integer number (19996536).

Almost surely, 2^118550643 is an apocalyptic number.

118550643 is a deficient number, since it is larger than the sum of its proper divisors (41421645).

118550643 is an equidigital number, since it uses as much as digits as its factorization.

118550643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476193.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 118550643 is about 10888.0963900950. The cubic root of 118550643 is about 491.2485761602.

The spelling of 118550643 in words is "one hundred eighteen million, five hundred fifty thousand, six hundred forty-three".