118216456 has 8 divisors (see below), whose sum is σ = 221655870. Its totient is φ = 59108224.

The previous prime is 118216429. The next prime is 118216459. The reversal of 118216456 is 654612811.

It can be written as a sum of positive squares in only one way, i.e., 101324356 + 16892100 = 10066^2 + 4110^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (118216459) 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 as a sum of consecutive naturals, namely, 7388521 + ... + 7388536.

Almost surely, 2^118216456 is an apocalyptic number.

It is an amenable number.

118216456 is a deficient number, since it is larger than the sum of its proper divisors (103439414).

118216456 is a wasteful number, since it uses less digits than its factorization.

118216456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14777063 (or 14777059 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 118216456 is about 10872.7391213070. The cubic root of 118216456 is about 490.7865418585.

The spelling of 118216456 in words is "one hundred eighteen million, two hundred sixteen thousand, four hundred fifty-six".