5220666351 has 10 divisors (see below), whose sum is σ = 7798773312. Its totient is φ = 3480444180.

The previous prime is 5220666349. The next prime is 5220666359. The reversal of 5220666351 is 1536660225.

It is a happy number.

It is not a de Polignac number, because 5220666351 - 2¹ = 5220666349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220666359) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 32226255 + ... + 32226416.

Almost surely, 2^5220666351 is an apocalyptic number.

5220666351 is a deficient number, since it is larger than the sum of its proper divisors (2578106961).

5220666351 is an equidigital number, since it uses as much as digits as its factorization.

5220666351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64452683 (or 64452674 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 5220666351 is about 72254.1787788084. The cubic root of 5220666351 is about 1734.7703052538.

The spelling of 5220666351 in words is "five billion, two hundred twenty million, six hundred sixty-six thousand, three hundred fifty-one".