16742031227 has 4 divisors (see below), whose sum is σ = 16750416816. Its totient is φ = 16733645640.

The previous prime is 16742031197. The next prime is 16742031233. The reversal of 16742031227 is 72213024761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72213024761 = 3469 ⋅20816669.

It is a cyclic number.

It is not a de Polignac number, because 16742031227 - 2¹⁰ = 16742030203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16742031287) 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, 4189799 + ... + 4193792.

It is an arithmetic number, because the mean of its divisors is an integer number (4187604204).

Almost surely, 2^16742031227 is an apocalyptic number.

16742031227 is a deficient number, since it is larger than the sum of its proper divisors (8385589).

16742031227 is an equidigital number, since it uses as much as digits as its factorization.

16742031227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8385588.

The product of its (nonzero) digits is 28224, while the sum is 35.

Adding to 16742031227 its reverse (72213024761), we get a palindrome (88955055988).

The spelling of 16742031227 in words is "sixteen billion, seven hundred forty-two million, thirty-one thousand, two hundred twenty-seven".