16734214657 has 4 divisors (see below), whose sum is σ = 17142366276. Its totient is φ = 16326063040.

The previous prime is 16734214633. The next prime is 16734214681. The reversal of 16734214657 is 75641243761.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16734214633) and next prime (16734214681).

It can be written as a sum of positive squares in 2 ways, for example, as 8022605761 + 8711608896 = 89569^2 + 93336^2 .

It is a cyclic number.

It is not a de Polignac number, because 16734214657 - 2⁷ = 16734214529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16734211657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204075748 + ... + 204075829.

It is an arithmetic number, because the mean of its divisors is an integer number (4285591569).

Almost surely, 2^16734214657 is an apocalyptic number.

It is an amenable number.

16734214657 is a deficient number, since it is larger than the sum of its proper divisors (408151619).

16734214657 is an equidigital number, since it uses as much as digits as its factorization.

16734214657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408151618.

The product of its digits is 846720, while the sum is 46.

The spelling of 16734214657 in words is "sixteen billion, seven hundred thirty-four million, two hundred fourteen thousand, six hundred fifty-seven".