16434645727274 has 8 divisors (see below), whose sum is σ = 24651989680548. Its totient is φ = 8217315833760.

The previous prime is 16434645727259. The next prime is 16434645727289. The reversal of 16434645727274 is 47272754643461.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16434645727259) and next prime (16434645727289).

It can be written as a sum of positive squares in 2 ways, for example, as 16418647272049 + 15998455225 = 4051993^2 + 126485^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187214 + ... + 5736230.

Almost surely, 2^{16434645727274} is an apocalyptic number.

16434645727274 is a deficient number, since it is larger than the sum of its proper divisors (8217343953274).

16434645727274 is a wasteful number, since it uses less digits than its factorization.

16434645727274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7029880.

The product of its digits is 189665280, while the sum is 62.

The spelling of 16434645727274 in words is "sixteen trillion, four hundred thirty-four billion, six hundred forty-five million, seven hundred twenty-seven thousand, two hundred seventy-four".