168879040 has 56 divisors (see below), whose sum is σ = 438710832. Its totient is φ = 61409280.

The previous prime is 168879019. The next prime is 168879059. The reversal of 168879040 is 40978861.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20469 + ... + 27508.

It is an arithmetic number, because the mean of its divisors is an integer number (7834122).

Almost surely, 2^168879040 is an apocalyptic number.

168879040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168879040 is an abundant number, since it is smaller than the sum of its proper divisors (269831792).

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

168879040 is a wasteful number, since it uses less digits than its factorization.

168879040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48005 (or 47995 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 168879040 is about 12995.3468595494. The cubic root of 168879040 is about 552.7455444413.

The spelling of 168879040 in words is "one hundred sixty-eight million, eight hundred seventy-nine thousand, forty".