678062160 has 60 divisors (see below), whose sum is σ = 2277161172. Its totient is φ = 180816384.

The previous prime is 678062159. The next prime is 678062167. The reversal of 678062160 is 61260876.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 407393856 + 270668304 = 20184^2 + 16452^2 .

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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678062167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 470157 + ... + 471596.

Almost surely, 2^678062160 is an apocalyptic number.

678062160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

678062160 is an abundant number, since it is smaller than the sum of its proper divisors (1599099012).

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

678062160 is a wasteful number, since it uses less digits than its factorization.

678062160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941772 (or 941763 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 678062160 is about 26039.6267254352. The cubic root of 678062160 is about 878.5298110084.

The spelling of 678062160 in words is "six hundred seventy-eight million, sixty-two thousand, one hundred sixty".