660741024 has 48 divisors (see below), whose sum is σ = 1741703040. Its totient is φ = 219325440.

The previous prime is 660741019. The next prime is 660741041. The reversal of 660741024 is 420147066.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 660740982 and 660741000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8857 + ... + 37415.

It is an arithmetic number, because the mean of its divisors is an integer number (36285480).

Almost surely, 2^660741024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 660741024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870851520).

660741024 is an abundant number, since it is smaller than the sum of its proper divisors (1080962016).

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

660741024 is a wasteful number, since it uses less digits than its factorization.

660741024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28813 (or 28805 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 660741024 is about 25704.8832714720. The cubic root of 660741024 is about 870.9844952452.

The spelling of 660741024 in words is "six hundred sixty million, seven hundred forty-one thousand, twenty-four".