16497738347 has 4 divisors (see below), whose sum is σ = 16768193136. Its totient is φ = 16227283560.

The previous prime is 16497738329. The next prime is 16497738353. The reversal of 16497738347 is 74383779461.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16497738347 - 2¹⁰ = 16497737323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16497738947) 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, 135227303 + ... + 135227424.

It is an arithmetic number, because the mean of its divisors is an integer number (4192048284).

Almost surely, 2^16497738347 is an apocalyptic number.

16497738347 is a deficient number, since it is larger than the sum of its proper divisors (270454789).

16497738347 is an equidigital number, since it uses as much as digits as its factorization.

16497738347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270454788.

The product of its digits is 21337344, while the sum is 59.

The spelling of 16497738347 in words is "sixteen billion, four hundred ninety-seven million, seven hundred thirty-eight thousand, three hundred forty-seven".