278160960 has 448 divisors, whose sum is σ = 1137659904. Its totient is φ = 55910400.

The previous prime is 278160959. The next prime is 278160973. The reversal of 278160960 is 69061872.

It is a tau number, because it is divible by the number of its divisors (448).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3917725 + ... + 3917795.

Almost surely, 2^278160960 is an apocalyptic number.

278160960 is a gapful number since it is divisible by the number (20) 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 278160960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568829952).

278160960 is an abundant number, since it is smaller than the sum of its proper divisors (859498944).

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

278160960 is a wasteful number, since it uses less digits than its factorization.

278160960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 278160960 is about 16678.1581716927. The cubic root of 278160960 is about 652.7778238814. Note that the first 3 decimals are identical.

The spelling of 278160960 in words is "two hundred seventy-eight million, one hundred sixty thousand, nine hundred sixty".