168880117 has 12 divisors (see below), whose sum is σ = 198943680. Its totient is φ = 142918776.

The previous prime is 168880093. The next prime is 168880141. The reversal of 168880117 is 711088861.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (168880093) and next prime (168880141).

It is not a de Polignac number, because 168880117 - 2²⁷ = 34662389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168880117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168881117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17943 + ... + 25684.

It is an arithmetic number, because the mean of its divisors is an integer number (16578640).

Almost surely, 2^168880117 is an apocalyptic number.

It is an amenable number.

168880117 is a deficient number, since it is larger than the sum of its proper divisors (30063563).

168880117 is an equidigital number, since it uses as much as digits as its factorization.

168880117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43720 (or 43713 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 40.

The square root of 168880117 is about 12995.3882973923. The cubic root of 168880117 is about 552.7467194553.

The spelling of 168880117 in words is "one hundred sixty-eight million, eight hundred eighty thousand, one hundred seventeen".