16742422357 has 2 divisors, whose sum is σ = 16742422358. Its totient is φ = 16742422356.

The previous prime is 16742422331. The next prime is 16742422373. The reversal of 16742422357 is 75322424761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11818733796 + 4923688561 = 108714^2 + 70169^2 .

It is an emirp because it is prime and its reverse (75322424761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16742422357 - 2²³ = 16734033749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16742422327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8371211178 + 8371211179.

It is an arithmetic number, because the mean of its divisors is an integer number (8371211179).

Almost surely, 2^16742422357 is an apocalyptic number.

It is an amenable number.

16742422357 is a deficient number, since it is larger than the sum of its proper divisors (1).

16742422357 is an equidigital number, since it uses as much as digits as its factorization.

16742422357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 43.

The spelling of 16742422357 in words is "sixteen billion, seven hundred forty-two million, four hundred twenty-two thousand, three hundred fifty-seven".