1160166665 has 8 divisors (see below), whose sum is σ = 1591085760. Its totient is φ = 795542832.

The previous prime is 1160166641. The next prime is 1160166677. The reversal of 1160166665 is 5666610611.

It is a happy number.

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

It is not a de Polignac number, because 1160166665 - 2²⁴ = 1143389449 is a prime.

It is a Curzon 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, 16573775 + ... + 16573844.

It is an arithmetic number, because the mean of its divisors is an integer number (198885720).

Almost surely, 2^1160166665 is an apocalyptic number.

It is an amenable number.

1160166665 is a deficient number, since it is larger than the sum of its proper divisors (430919095).

1160166665 is an equidigital number, since it uses as much as digits as its factorization.

1160166665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33147631.

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

The square root of 1160166665 is about 34061.2193704218. The cubic root of 1160166665 is about 1050.7678933085.

The spelling of 1160166665 in words is "one billion, one hundred sixty million, one hundred sixty-six thousand, six hundred sixty-five".