431163255146165 has 16 divisors (see below), whose sum is σ = 520575589579008. Its totient is φ = 342810859697856.

The previous prime is 431163255146161. The next prime is 431163255146179. The reversal of 431163255146165 is 561641552361134.

It is a cyclic number.

It is not a de Polignac number, because 431163255146165 - 2² = 431163255146161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431163255146161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76123124 + ... + 81590786.

It is an arithmetic number, because the mean of its divisors is an integer number (32535974348688).

Almost surely, 2^{431163255146165} is an apocalyptic number.

It is an amenable number.

431163255146165 is a deficient number, since it is larger than the sum of its proper divisors (89412334432843).

431163255146165 is a wasteful number, since it uses less digits than its factorization.

431163255146165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5564588.

The product of its digits is 7776000, while the sum is 53.

The spelling of 431163255146165 in words is "four hundred thirty-one trillion, one hundred sixty-three billion, two hundred fifty-five million, one hundred forty-six thousand, one hundred sixty-five".