6216666303431 has 8 divisors (see below), whose sum is σ = 6582449648880. Its totient is φ = 5850893746048.

The previous prime is 6216666303413. The next prime is 6216666303439. The reversal of 6216666303431 is 1343036666126.

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 6216666303431 - 2³⁴ = 6199486434247 is a prime.

It is a super-2 number, since 2×6216666303431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6216666303439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495301 + ... + 3830046.

It is an arithmetic number, because the mean of its divisors is an integer number (822806206110).

Almost surely, 2^{6216666303431} is an apocalyptic number.

6216666303431 is a deficient number, since it is larger than the sum of its proper divisors (365783345449).

6216666303431 is a wasteful number, since it uses less digits than its factorization.

6216666303431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5394033.

The product of its (nonzero) digits is 1679616, while the sum is 47.

The spelling of 6216666303431 in words is "six trillion, two hundred sixteen billion, six hundred sixty-six million, three hundred three thousand, four hundred thirty-one".