118606866390 has 24 divisors (see below), whose sum is σ = 308377852848. Its totient is φ = 31628497680.

The previous prime is 118606866307. The next prime is 118606866439. The reversal of 118606866390 is 93668606811.

118606866390 is a `hidden beast` number, since 118 + 60 + 6 + 86 + 6 + 390 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 658926946 + ... + 658927125.

It is an arithmetic number, because the mean of its divisors is an integer number (12849077202).

Almost surely, 2^118606866390 is an apocalyptic number.

118606866390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118606866390 is an abundant number, since it is smaller than the sum of its proper divisors (189770986458).

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

118606866390 is a wasteful number, since it uses less digits than its factorization.

118606866390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317854084 (or 1317854081 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 118606866390 in words is "one hundred eighteen billion, six hundred six million, eight hundred sixty-six thousand, three hundred ninety".