118247989066 has 4 divisors (see below), whose sum is σ = 177371983602. Its totient is φ = 59123994532.

The previous prime is 118247989043. The next prime is 118247989081. The reversal of 118247989066 is 660989742811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660989742811 = 87547 ⋅7550113.

It can be written as a sum of positive squares in only one way, i.e., 109425332025 + 8822657041 = 330795^2 + 93929^2 .

It is a junction number, because it is equal to n+sod(n) for n = 118247988995 and 118247989013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29561997265 + ... + 29561997268.

Almost surely, 2^118247989066 is an apocalyptic number.

118247989066 is a deficient number, since it is larger than the sum of its proper divisors (59123994536).

118247989066 is an equidigital number, since it uses as much as digits as its factorization.

118247989066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59123994535.

The product of its (nonzero) digits is 10450944, while the sum is 61.

The spelling of 118247989066 in words is "one hundred eighteen billion, two hundred forty-seven million, nine hundred eighty-nine thousand, sixty-six".