660124433 has 12 divisors (see below), whose sum is σ = 715622148. Its totient is φ = 606816000.

The previous prime is 660124411. The next prime is 660124441. The reversal of 660124433 is 334421066.

It can be written as a sum of positive squares in 2 ways, for example, as 327718609 + 332405824 = 18103^2 + 18232^2 .

It is not a de Polignac number, because 660124433 - 2⁶ = 660124369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 660124396 and 660124405.

It is not an unprimeable number, because it can be changed into a prime (660129433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20933 + ... + 41933.

It is an arithmetic number, because the mean of its divisors is an integer number (59635179).

Almost surely, 2^660124433 is an apocalyptic number.

It is an amenable number.

660124433 is a deficient number, since it is larger than the sum of its proper divisors (55497715).

660124433 is a wasteful number, since it uses less digits than its factorization.

660124433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21104 (or 21061 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 660124433 is about 25692.8868171718. The cubic root of 660124433 is about 870.7134821854.

Adding to 660124433 its reverse (334421066), we get a palindrome (994545499).

The spelling of 660124433 in words is "six hundred sixty million, one hundred twenty-four thousand, four hundred thirty-three".