168860880 has 60 divisors (see below), whose sum is σ = 567093540. Its totient is φ = 45029376.

The previous prime is 168860843. The next prime is 168860929. The reversal of 168860880 is 88068861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39992976 + 128867904 = 6324^2 + 11352^2 .

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116545 + ... + 117984.

It is an arithmetic number, because the mean of its divisors is an integer number (9451559).

Almost surely, 2^168860880 is an apocalyptic number.

168860880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168860880 is an abundant number, since it is smaller than the sum of its proper divisors (398232660).

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

168860880 is a wasteful number, since it uses less digits than its factorization.

168860880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234548 (or 234539 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 168860880 is about 12994.6481291338. The cubic root of 168860880 is about 552.7257310117.

The spelling of 168860880 in words is "one hundred sixty-eight million, eight hundred sixty thousand, eight hundred eighty".