165680115 has 8 divisors (see below), whose sum is σ = 265088208. Its totient is φ = 88362720.

The previous prime is 165680107. The next prime is 165680149. The reversal of 165680115 is 511086561.

165680115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 165680115 - 2³ = 165680107 is a prime.

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, 5522656 + ... + 5522685.

It is an arithmetic number, because the mean of its divisors is an integer number (33136026).

Almost surely, 2^165680115 is an apocalyptic number.

165680115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165680115 is a deficient number, since it is larger than the sum of its proper divisors (99408093).

165680115 is a wasteful number, since it uses less digits than its factorization.

165680115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11045349.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 165680115 is about 12871.6787949358. The cubic root of 165680115 is about 549.2332179897.

The spelling of 165680115 in words is "one hundred sixty-five million, six hundred eighty thousand, one hundred fifteen".