118216851 has 8 divisors (see below), whose sum is σ = 157792704. Its totient is φ = 78726120.

The previous prime is 118216829. The next prime is 118216853. The reversal of 118216851 is 158612811.

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

It is not a de Polignac number, because 118216851 - 2⁹ = 118216339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118216853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17965 + ... + 23646.

It is an arithmetic number, because the mean of its divisors is an integer number (19724088).

Almost surely, 2^118216851 is an apocalyptic number.

118216851 is a deficient number, since it is larger than the sum of its proper divisors (39575853).

118216851 is an equidigital number, since it uses as much as digits as its factorization.

118216851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42561.

The product of its digits is 3840, while the sum is 33.

The square root of 118216851 is about 10872.7572859878. The cubic root of 118216851 is about 490.7870884843.

The spelling of 118216851 in words is "one hundred eighteen million, two hundred sixteen thousand, eight hundred fifty-one".