165768110116 has 24 divisors (see below), whose sum is σ = 331597929600. Its totient is φ = 71030252352.

The previous prime is 165768110113. The next prime is 165768110119. The reversal of 165768110116 is 611011867561.

It is an interprime number because it is at equal distance from previous prime (165768110113) and next prime (165768110119).

It is not an unprimeable number, because it can be changed into a prime (165768110113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397105 + ... + 699448.

It is an arithmetic number, because the mean of its divisors is an integer number (13816580400).

Almost surely, 2^165768110116 is an apocalyptic number.

It is an amenable number.

165768110116 is an abundant number, since it is smaller than the sum of its proper divisors (165829819484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165768110116 is a wasteful number, since it uses less digits than its factorization.

165768110116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101963 (or 1101961 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 43.

Adding to 165768110116 its reverse (611011867561), we get a palindrome (776779977677).

The spelling of 165768110116 in words is "one hundred sixty-five billion, seven hundred sixty-eight million, one hundred ten thousand, one hundred sixteen".