168888080 has 80 divisors (see below), whose sum is σ = 412473600. Its totient is φ = 64187904.

The previous prime is 168888079. The next prime is 168888101. The reversal of 168888080 is 80888861.

168888080 = T₁₆₅₆ + T₁₆₅₇ + ... + T₁₇₇₀.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483746 + ... + 484094.

It is an arithmetic number, because the mean of its divisors is an integer number (5155920).

Almost surely, 2^168888080 is an apocalyptic number.

168888080 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 168888080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206236800).

168888080 is an abundant number, since it is smaller than the sum of its proper divisors (243585520).

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

168888080 is a wasteful number, since it uses less digits than its factorization.

168888080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 47.

The square root of 168888080 is about 12995.6946716980. The cubic root of 168888080 is about 552.7554069847.

The spelling of 168888080 in words is "one hundred sixty-eight million, eight hundred eighty-eight thousand, eighty".