16393177079247 has 4 divisors (see below), whose sum is σ = 21857569439000. Its totient is φ = 10928784719496.

The previous prime is 16393177079233. The next prime is 16393177079263. The reversal of 16393177079247 is 74297077139361.

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

It is not a de Polignac number, because 16393177079247 - 2⁴ = 16393177079231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16393177079287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2732196179872 + ... + 2732196179877.

It is an arithmetic number, because the mean of its divisors is an integer number (5464392359750).

Almost surely, 2^{16393177079247} is an apocalyptic number.

16393177079247 is a deficient number, since it is larger than the sum of its proper divisors (5464392359753).

16393177079247 is an equidigital number, since it uses as much as digits as its factorization.

16393177079247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464392359752.

The product of its (nonzero) digits is 84015792, while the sum is 66.

The spelling of 16393177079247 in words is "sixteen trillion, three hundred ninety-three billion, one hundred seventy-seven million, seventy-nine thousand, two hundred forty-seven".