168828240 has 80 divisors (see below), whose sum is σ = 598140288. Its totient is φ = 38588928.

The previous prime is 168828221. The next prime is 168828271. The reversal of 168828240 is 42828861.

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

It is a congruent number.

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, 48567 + ... + 51926.

Almost surely, 2^168828240 is an apocalyptic number.

168828240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168828240 is an abundant number, since it is smaller than the sum of its proper divisors (429312048).

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

168828240 is a wasteful number, since it uses less digits than its factorization.

168828240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100516 (or 100510 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 168828240 is about 12993.3921667900. The cubic root of 168828240 is about 552.6901156373.

The spelling of 168828240 in words is "one hundred sixty-eight million, eight hundred twenty-eight thousand, two hundred forty".