660512411 has 8 divisors (see below), whose sum is σ = 711681600. Its totient is φ = 609394752.

The previous prime is 660512399. The next prime is 660512431. The reversal of 660512411 is 114215066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 660512411 - 2¹⁴ = 660496027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660512431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16190 + ... + 39788.

It is an arithmetic number, because the mean of its divisors is an integer number (88960200).

Almost surely, 2^660512411 is an apocalyptic number.

660512411 is a deficient number, since it is larger than the sum of its proper divisors (51169189).

660512411 is a wasteful number, since it uses less digits than its factorization.

660512411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25765.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 660512411 is about 25700.4360079747. The cubic root of 660512411 is about 870.8840316040.

Adding to 660512411 its reverse (114215066), we get a palindrome (774727477).

The spelling of 660512411 in words is "six hundred sixty million, five hundred twelve thousand, four hundred eleven".