5216253866 has 8 divisors (see below), whose sum is σ = 7912295460. Its totient is φ = 2578822048.

The previous prime is 5216253859. The next prime is 5216253883. The reversal of 5216253866 is 6683526125.

It can be written as a sum of positive squares in 2 ways, for example, as 5093819641 + 122434225 = 71371^2 + 11065^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14652221 + ... + 14652576.

Almost surely, 2^5216253866 is an apocalyptic number.

5216253866 is a deficient number, since it is larger than the sum of its proper divisors (2696041594).

5216253866 is a wasteful number, since it uses less digits than its factorization.

5216253866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29304888.

The product of its digits is 518400, while the sum is 44.

The square root of 5216253866 is about 72223.6378618524. The cubic root of 5216253866 is about 1734.2814273337.

The spelling of 5216253866 in words is "five billion, two hundred sixteen million, two hundred fifty-three thousand, eight hundred sixty-six".