16253274047 has 4 divisors (see below), whose sum is σ = 16959938160. Its totient is φ = 15546609936.

The previous prime is 16253274043. The next prime is 16253274077. The reversal of 16253274047 is 74047235261.

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 16253274047 - 2² = 16253274043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16253273995 and 16253274013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16253274041) 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, 353332022 + ... + 353332067.

It is an arithmetic number, because the mean of its divisors is an integer number (4239984540).

Almost surely, 2^16253274047 is an apocalyptic number.

16253274047 is a deficient number, since it is larger than the sum of its proper divisors (706664113).

16253274047 is an equidigital number, since it uses as much as digits as its factorization.

16253274047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706664112.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 16253274047 in words is "sixteen billion, two hundred fifty-three million, two hundred seventy-four thousand, forty-seven".