240666160 has 80 divisors (see below), whose sum is σ = 673171200. Its totient is φ = 78167808.

The previous prime is 240666149. The next prime is 240666169. The reversal of 240666160 is 61666042.

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

It is not an unprimeable number, because it can be changed into a prime (240666169) 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 15 ways as a sum of consecutive naturals, for example, 670 + ... + 21949.

It is an arithmetic number, because the mean of its divisors is an integer number (8414640).

Almost surely, 2^240666160 is an apocalyptic number.

240666160 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 240666160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336585600).

240666160 is an abundant number, since it is smaller than the sum of its proper divisors (432505040).

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

240666160 is a wasteful number, since it uses less digits than its factorization.

240666160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22658 (or 22652 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 240666160 is about 15513.4187076866. The cubic root of 240666160 is about 622.0209461417.

The spelling of 240666160 in words is "two hundred forty million, six hundred sixty-six thousand, one hundred sixty".