118081793 has 6 divisors (see below), whose sum is σ = 123439554. Its totient is φ = 112947296.

The previous prime is 118081783. The next prime is 118081801. The reversal of 118081793 is 397180811.

It can be written as a sum of positive squares in only one way, i.e., 113891584 + 4190209 = 10672^2 + 2047^2 .

It is not a de Polignac number, because 118081793 - 2¹⁰ = 118080769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118081703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111080 + ... + 112137.

It is an arithmetic number, because the mean of its divisors is an integer number (20573259).

Almost surely, 2^118081793 is an apocalyptic number.

It is an amenable number.

118081793 is a deficient number, since it is larger than the sum of its proper divisors (5357761).

118081793 is an equidigital number, since it uses as much as digits as its factorization.

118081793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223263 (or 223240 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 38.

The square root of 118081793 is about 10866.5446670043. The cubic root of 118081793 is about 490.6001157569.

The spelling of 118081793 in words is "one hundred eighteen million, eighty-one thousand, seven hundred ninety-three".