16431426075303 has 12 divisors (see below), whose sum is σ = 24766207418160. Its totient is φ = 10478010830496.

The previous prime is 16431426075193. The next prime is 16431426075359. The reversal of 16431426075303 is 30357062413461.

16431426075303 is a `hidden beast` number, since 1 + 6 + 4 + 3 + 1 + 4 + 2 + 607 + 5 + 30 + 3 = 666.

It is not a de Polignac number, because 16431426075303 - 2¹⁶ = 16431426009767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16431426075373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39689434758 + ... + 39689435171.

It is an arithmetic number, because the mean of its divisors is an integer number (2063850618180).

Almost surely, 2^{16431426075303} is an apocalyptic number.

16431426075303 is a deficient number, since it is larger than the sum of its proper divisors (8334781342857).

16431426075303 is a wasteful number, since it uses less digits than its factorization.

16431426075303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79378869958 (or 79378869955 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

Adding to 16431426075303 its reverse (30357062413461), we get a palindrome (46788488488764).

The spelling of 16431426075303 in words is "sixteen trillion, four hundred thirty-one billion, four hundred twenty-six million, seventy-five thousand, three hundred three".