118284081738 has 32 divisors (see below), whose sum is σ = 242983970304. Its totient is φ = 38358919872.

The previous prime is 118284081697. The next prime is 118284081739. The reversal of 118284081738 is 837180482811.

It is a super-2 number, since 2×118284081738² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118284081739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3742056 + ... + 3773532.

It is an arithmetic number, because the mean of its divisors is an integer number (7593249072).

Almost surely, 2^118284081738 is an apocalyptic number.

118284081738 is an abundant number, since it is smaller than the sum of its proper divisors (124699888566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118284081738 is a wasteful number, since it uses less digits than its factorization.

118284081738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48446.

The product of its (nonzero) digits is 688128, while the sum is 51.

The spelling of 118284081738 in words is "one hundred eighteen billion, two hundred eighty-four million, eighty-one thousand, seven hundred thirty-eight".