118661862738 has 8 divisors (see below), whose sum is σ = 237323725488. Its totient is φ = 39553954244.

The previous prime is 118661862721. The next prime is 118661862749. The reversal of 118661862738 is 837268166811.

It is a happy number.

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

118661862738 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9888488556 + ... + 9888488567.

It is an arithmetic number, because the mean of its divisors is an integer number (29665465686).

Almost surely, 2^118661862738 is an apocalyptic number.

118661862738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

118661862738 is a wasteful number, since it uses less digits than its factorization.

118661862738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19776977128.

The product of its digits is 4644864, while the sum is 57.

The spelling of 118661862738 in words is "one hundred eighteen billion, six hundred sixty-one million, eight hundred sixty-two thousand, seven hundred thirty-eight".