116665005 has 8 divisors (see below), whose sum is σ = 186664032. Its totient is φ = 62221328.

The previous prime is 116664983. The next prime is 116665009. The reversal of 116665005 is 500566611.

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 116665005 - 2²⁴ = 99887789 is a prime.

It is a super-2 number, since 2×116665005² = 27221446783300050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116665009) 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, 3888819 + ... + 3888848.

It is an arithmetic number, because the mean of its divisors is an integer number (23333004).

Almost surely, 2^116665005 is an apocalyptic number.

116665005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116665005 is a deficient number, since it is larger than the sum of its proper divisors (69999027).

116665005 is an equidigital number, since it uses as much as digits as its factorization.

116665005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777675.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 116665005 is about 10801.1575768526. The cubic root of 116665005 is about 488.6300831079.

The spelling of 116665005 in words is "one hundred sixteen million, six hundred sixty-five thousand, five".