116165666 has 16 divisors (see below), whose sum is σ = 176414784. Its totient is φ = 57363984.

The previous prime is 116165657. The next prime is 116165671. The reversal of 116165666 is 666561611.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132020 + ... + 132896.

It is an arithmetic number, because the mean of its divisors is an integer number (11025924).

Almost surely, 2^116165666 is an apocalyptic number.

116165666 is a deficient number, since it is larger than the sum of its proper divisors (60249118).

116165666 is a wasteful number, since it uses less digits than its factorization.

116165666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625.

The product of its digits is 38880, while the sum is 38.

The square root of 116165666 is about 10778.0177212695. The cubic root of 116165666 is about 487.9319560462.

The spelling of 116165666 in words is "one hundred sixteen million, one hundred sixty-five thousand, six hundred sixty-six".