118185888167982 has 48 divisors (see below), whose sum is σ = 270958002232320. Its totient is φ = 37126456995600.

The previous prime is 118185888167981. The next prime is 118185888167983. The reversal of 118185888167982 is 289761888581811.

118185888167982 is a `hidden beast` number, since 1 + 1 + 8 + 18 + 588 + 8 + 16 + 7 + 9 + 8 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (118185888167981) and next prime (118185888167983).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118185888167981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 904575444 + ... + 904706087.

It is an arithmetic number, because the mean of its divisors is an integer number (5644958379840).

Almost surely, 2^{118185888167982} is an apocalyptic number.

118185888167982 is an abundant number, since it is smaller than the sum of its proper divisors (152772114064338).

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

118185888167982 is a wasteful number, since it uses less digits than its factorization.

118185888167982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809281749 (or 1809281746 counting only the distinct ones).

The product of its digits is 990904320, while the sum is 81.

The spelling of 118185888167982 in words is "one hundred eighteen trillion, one hundred eighty-five billion, eight hundred eighty-eight million, one hundred sixty-seven thousand, nine hundred eighty-two".