511041660 has 48 divisors (see below), whose sum is σ = 1433527200. Its totient is φ = 136029184.

The previous prime is 511041659. The next prime is 511041679. The reversal of 511041660 is 66140115.

It is a super-2 number, since 2×511041660² = 522327156511111200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 511041660.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26656 + ... + 41624.

It is an arithmetic number, because the mean of its divisors is an integer number (29865150).

Almost surely, 2^511041660 is an apocalyptic number.

It is an amenable number.

511041660 is an abundant number, since it is smaller than the sum of its proper divisors (922485540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511041660 is a wasteful number, since it uses less digits than its factorization.

511041660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15550 (or 15548 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 511041660 is about 22606.2305570832. The cubic root of 511041660 is about 799.5005528389.

Adding to 511041660 its reverse (66140115), we get a palindrome (577181775).

The spelling of 511041660 in words is "five hundred eleven million, forty-one thousand, six hundred sixty".