431163116514665 has 16 divisors (see below), whose sum is σ = 547968365083200. Its totient is φ = 324771494404032.

The previous prime is 431163116514643. The next prime is 431163116514671. The reversal of 431163116514665 is 566415611361134.

It is a cyclic number.

It is not a de Polignac number, because 431163116514665 - 2¹⁸ = 431163116252521 is a prime.

It is a super-3 number, since 3×431163116514665³ (a number of 45 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13921945010 + ... + 13921975979.

It is an arithmetic number, because the mean of its divisors is an integer number (34248022817700).

Almost surely, 2^{431163116514665} is an apocalyptic number.

It is an amenable number.

431163116514665 is a deficient number, since it is larger than the sum of its proper divisors (116805248568535).

431163116514665 is a wasteful number, since it uses less digits than its factorization.

431163116514665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27843921176.

The product of its digits is 4665600, while the sum is 53.

Adding to 431163116514665 its reverse (566415611361134), we get a palindrome (997578727875799).

The spelling of 431163116514665 in words is "four hundred thirty-one trillion, one hundred sixty-three billion, one hundred sixteen million, five hundred fourteen thousand, six hundred sixty-five".