118666453 has 8 divisors (see below), whose sum is σ = 125395200. Its totient is φ = 112068528.

The previous prime is 118666441. The next prime is 118666487. The reversal of 118666453 is 354666811.

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 118666453 - 2¹⁷ = 118535381 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 (118666433) 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, 30838 + ... + 34471.

It is an arithmetic number, because the mean of its divisors is an integer number (15674400).

Almost surely, 2^118666453 is an apocalyptic number.

It is an amenable number.

118666453 is a deficient number, since it is larger than the sum of its proper divisors (6728747).

118666453 is an equidigital number, since it uses as much as digits as its factorization.

118666453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65411.

The product of its digits is 103680, while the sum is 40.

The square root of 118666453 is about 10893.4132851003. The cubic root of 118666453 is about 491.4084880785.

The spelling of 118666453 in words is "one hundred eighteen million, six hundred sixty-six thousand, four hundred fifty-three".