5199666280 has 16 divisors (see below), whose sum is σ = 11699249220. Its totient is φ = 2079866496.

The previous prime is 5199666229. The next prime is 5199666287. The reversal of 5199666280 is 826669915.

It can be written as a sum of positive squares in 2 ways, for example, as 4279514724 + 920151556 = 65418^2 + 30334^2 .

It is not an unprimeable number, because it can be changed into a prime (5199666287) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 64995789 + ... + 64995868.

Almost surely, 2^5199666280 is an apocalyptic number.

It is an amenable number.

5199666280 is an abundant number, since it is smaller than the sum of its proper divisors (6499582940).

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

5199666280 is a wasteful number, since it uses less digits than its factorization.

5199666280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129991668 (or 129991664 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 5199666280 is about 72108.7115402848. The cubic root of 5199666280 is about 1732.4411481820.

The spelling of 5199666280 in words is "five billion, one hundred ninety-nine million, six hundred sixty-six thousand, two hundred eighty".