660132860587 has 2 divisors, whose sum is σ = 660132860588. Its totient is φ = 660132860586.

The previous prime is 660132860579. The next prime is 660132860641. The reversal of 660132860587 is 785068231066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 660132860587 - 2³ = 660132860579 is a prime.

It is a super-4 number, since 4×660132860587⁴ (a number of 48 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (660132860507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330066430293 + 330066430294.

It is an arithmetic number, because the mean of its divisors is an integer number (330066430294).

Almost surely, 2^660132860587 is an apocalyptic number.

660132860587 is a deficient number, since it is larger than the sum of its proper divisors (1).

660132860587 is an equidigital number, since it uses as much as digits as its factorization.

660132860587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 660132860587 in words is "six hundred sixty billion, one hundred thirty-two million, eight hundred sixty thousand, five hundred eighty-seven".