60660513 has 12 divisors (see below), whose sum is σ = 87702420. Its totient is φ = 40402656.

The previous prime is 60660493. The next prime is 60660517. The reversal of 60660513 is 31506606.

60660513 is a `hidden beast` number, since 606 + 6 + 0 + 51 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60093504 + 567009 = 7752^2 + 753^2 .

It is a de Polignac number, because none of the positive numbers 2^k-60660513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (60660517) 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, 9903 + ... + 14811.

It is an arithmetic number, because the mean of its divisors is an integer number (7308535).

Almost surely, 2^60660513 is an apocalyptic number.

It is an amenable number.

60660513 is a deficient number, since it is larger than the sum of its proper divisors (27041907).

60660513 is a wasteful number, since it uses less digits than its factorization.

60660513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6288 (or 6285 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 60660513 is about 7788.4859247481. The cubic root of 60660513 is about 392.9180918204.

The spelling of 60660513 in words is "sixty million, six hundred sixty thousand, five hundred thirteen".