16431232530163 has 4 divisors (see below), whose sum is σ = 17924980942008. Its totient is φ = 14937484118320.

The previous prime is 16431232530131. The next prime is 16431232530173. The reversal of 16431232530163 is 36103523213461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16431232530163 - 2⁵ = 16431232530131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16431232530113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746874205906 + ... + 746874205927.

It is an arithmetic number, because the mean of its divisors is an integer number (4481245235502).

Almost surely, 2^{16431232530163} is an apocalyptic number.

16431232530163 is a deficient number, since it is larger than the sum of its proper divisors (1493748411845).

16431232530163 is a wasteful number, since it uses less digits than its factorization.

16431232530163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493748411844.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 16431232530163 in words is "sixteen trillion, four hundred thirty-one billion, two hundred thirty-two million, five hundred thirty thousand, one hundred sixty-three".