118216407 has 8 divisors (see below), whose sum is σ = 161466480. Its totient is φ = 76888640.

The previous prime is 118216393. The next prime is 118216411. The reversal of 118216407 is 704612811.

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

It is a cyclic number.

It is not a de Polignac number, because 118216407 - 2⁴ = 118216391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118216477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480432 + ... + 480677.

It is an arithmetic number, because the mean of its divisors is an integer number (20183310).

Almost surely, 2^118216407 is an apocalyptic number.

118216407 is a deficient number, since it is larger than the sum of its proper divisors (43250073).

118216407 is an equidigital number, since it uses as much as digits as its factorization.

118216407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961153.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 118216407 is about 10872.7368679648. The cubic root of 118216407 is about 490.7864740492.

The spelling of 118216407 in words is "one hundred eighteen million, two hundred sixteen thousand, four hundred seven".