118166493 has 16 divisors (see below), whose sum is σ = 164239040. Its totient is φ = 75499776.

The previous prime is 118166483. The next prime is 118166501. The reversal of 118166493 is 394661811.

It is not a de Polignac number, because 118166493 - 2⁶ = 118166429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118166423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508 + ... + 15381.

It is an arithmetic number, because the mean of its divisors is an integer number (10264940).

Almost surely, 2^118166493 is an apocalyptic number.

It is an amenable number.

118166493 is a deficient number, since it is larger than the sum of its proper divisors (46072547).

118166493 is a wasteful number, since it uses less digits than its factorization.

118166493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15996.

The product of its digits is 31104, while the sum is 39.

The square root of 118166493 is about 10870.4412513936. The cubic root of 118166493 is about 490.7173901116.

The spelling of 118166493 in words is "one hundred eighteen million, one hundred sixty-six thousand, four hundred ninety-three".