16226743142 has 4 divisors (see below), whose sum is σ = 24340114716. Its totient is φ = 8113371570.

The previous prime is 16226743139. The next prime is 16226743171. The reversal of 16226743142 is 24134762261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24134762261 = 1723 ⋅14007407.

It is a junction number, because it is equal to n+sod(n) for n = 16226743096 and 16226743105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4056685784 + ... + 4056685787.

It is an arithmetic number, because the mean of its divisors is an integer number (6085028679).

Almost surely, 2^16226743142 is an apocalyptic number.

16226743142 is a deficient number, since it is larger than the sum of its proper divisors (8113371574).

16226743142 is an equidigital number, since it uses as much as digits as its factorization.

16226743142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8113371573.

The product of its digits is 96768, while the sum is 38.

The spelling of 16226743142 in words is "sixteen billion, two hundred twenty-six million, seven hundred forty-three thousand, one hundred forty-two".