118660005 has 32 divisors (see below), whose sum is σ = 215867520. Its totient is φ = 61810560.

The previous prime is 118659979. The next prime is 118660049. The reversal of 118660005 is 500066811.

It is not a de Polignac number, because 118660005 - 2⁶ = 118659941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4416 + ... + 16025.

It is an arithmetic number, because the mean of its divisors is an integer number (6745860).

Almost surely, 2^118660005 is an apocalyptic number.

118660005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118660005 is a deficient number, since it is larger than the sum of its proper divisors (97207515).

118660005 is a wasteful number, since it uses less digits than its factorization.

118660005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20498 (or 20492 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 118660005 is about 10893.1173224197. The cubic root of 118660005 is about 491.3995873340.

The spelling of 118660005 in words is "one hundred eighteen million, six hundred sixty thousand, five".