118166772 has 24 divisors (see below), whose sum is σ = 276284736. Its totient is φ = 39308608.

The previous prime is 118166771. The next prime is 118166777. The reversal of 118166772 is 277661811.

It is a self number, because there is not a number n which added to its sum of digits gives 118166772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118166771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3753 + ... + 15824.

It is an arithmetic number, because the mean of its divisors is an integer number (11511864).

Almost surely, 2^118166772 is an apocalyptic number.

118166772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

118166772 is an abundant number, since it is smaller than the sum of its proper divisors (158117964).

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

118166772 is a wasteful number, since it uses less digits than its factorization.

118166772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20087 (or 20085 counting only the distinct ones).

The product of its digits is 28224, while the sum is 39.

The square root of 118166772 is about 10870.4540843518. The cubic root of 118166772 is about 490.7177763182.

The spelling of 118166772 in words is "one hundred eighteen million, one hundred sixty-six thousand, seven hundred seventy-two".