168752880 has 180 divisors, whose sum is σ = 602768712. Its totient is φ = 42301440.

The previous prime is 168752879. The next prime is 168752887. The reversal of 168752880 is 88257861.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168752887) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 207675 + ... + 208485.

Almost surely, 2^168752880 is an apocalyptic number.

168752880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168752880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301384356).

168752880 is an abundant number, since it is smaller than the sum of its proper divisors (434015832).

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

168752880 is a wasteful number, since it uses less digits than its factorization.

168752880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 168752880 is about 12990.4919075453. The cubic root of 168752880 is about 552.6078684851.

The spelling of 168752880 in words is "one hundred sixty-eight million, seven hundred fifty-two thousand, eight hundred eighty".