118038661 has 8 divisors (see below), whose sum is σ = 128035040. Its totient is φ = 108173232.

The previous prime is 118038647. The next prime is 118038677. The reversal of 118038661 is 166830811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118038661 - 2¹³ = 118030469 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 (118038161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30855 + ... + 34468.

It is an arithmetic number, because the mean of its divisors is an integer number (16004380).

Almost surely, 2^118038661 is an apocalyptic number.

It is an amenable number.

118038661 is a deficient number, since it is larger than the sum of its proper divisors (9996379).

118038661 is a wasteful number, since it uses less digits than its factorization.

118038661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65475.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 118038661 is about 10864.5598622310. The cubic root of 118038661 is about 490.5403742826.

The spelling of 118038661 in words is "one hundred eighteen million, thirty-eight thousand, six hundred sixty-one".