660541624 has 16 divisors (see below), whose sum is σ = 1252432800. Its totient is φ = 326559552.

The previous prime is 660541621. The next prime is 660541627. The reversal of 660541624 is 426145066.

660541624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (660541621) and next prime (660541627).

It is a self number, because there is not a number n which added to its sum of digits gives 660541624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660541621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463152 + ... + 464575.

It is an arithmetic number, because the mean of its divisors is an integer number (78277050).

Almost surely, 2^660541624 is an apocalyptic number.

It is an amenable number.

660541624 is a deficient number, since it is larger than the sum of its proper divisors (591891176).

660541624 is a wasteful number, since it uses less digits than its factorization.

660541624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927822 (or 927818 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 660541624 is about 25701.0043383522. The cubic root of 660541624 is about 870.8968705049.

The spelling of 660541624 in words is "six hundred sixty million, five hundred forty-one thousand, six hundred twenty-four".