660246424 has 32 divisors (see below), whose sum is σ = 1268586000. Its totient is φ = 321979392.

The previous prime is 660246421. The next prime is 660246439. The reversal of 660246424 is 424642066.

It is a self number, because there is not a number n which added to its sum of digits gives 660246424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660246421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442672 + ... + 444160.

Almost surely, 2^660246424 is an apocalyptic number.

It is an amenable number.

660246424 is a deficient number, since it is larger than the sum of its proper divisors (608339576).

660246424 is a wasteful number, since it uses less digits than its factorization.

660246424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827 (or 2823 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 660246424 is about 25695.2607303370. The cubic root of 660246424 is about 870.7671148344.

The spelling of 660246424 in words is "six hundred sixty million, two hundred forty-six thousand, four hundred twenty-four".