118228199680 has 36 divisors (see below), whose sum is σ = 283193487612. Its totient is φ = 47291279360.

The previous prime is 118228199657. The next prime is 118228199689. The reversal of 118228199680 is 86991822811.

It can be written as a sum of positive squares in 2 ways, for example, as 49340848384 + 68887351296 = 222128^2 + 262464^2 .

It is not an unprimeable number, because it can be changed into a prime (118228199689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46181611 + ... + 46184170.

It is an arithmetic number, because the mean of its divisors is an integer number (7866485767).

Almost surely, 2^118228199680 is an apocalyptic number.

118228199680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118228199680 is an abundant number, since it is smaller than the sum of its proper divisors (164965287932).

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

118228199680 is an frugal number, since it uses more digits than its factorization.

118228199680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92365802 (or 92365788 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 55.

The spelling of 118228199680 in words is "one hundred eighteen billion, two hundred twenty-eight million, one hundred ninety-nine thousand, six hundred eighty".