16431126497 has 8 divisors (see below), whose sum is σ = 16676711040. Its totient is φ = 16186482000.

The previous prime is 16431126479. The next prime is 16431126499. The reversal of 16431126497 is 79462113461.

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 16431126497 - 2¹⁸ = 16430864353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16431126499) 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, 199754 + ... + 269747.

It is an arithmetic number, because the mean of its divisors is an integer number (2084588880).

Almost surely, 2^16431126497 is an apocalyptic number.

It is an amenable number.

16431126497 is a deficient number, since it is larger than the sum of its proper divisors (245584543).

16431126497 is an equidigital number, since it uses as much as digits as its factorization.

16431126497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470023.

The product of its digits is 217728, while the sum is 44.

The spelling of 16431126497 in words is "sixteen billion, four hundred thirty-one million, one hundred twenty-six thousand, four hundred ninety-seven".