1606551047247 has 8 divisors (see below), whose sum is σ = 2144373845040. Its totient is φ = 1069881140480.

The previous prime is 1606551047239. The next prime is 1606551047279. The reversal of 1606551047247 is 7427401556061.

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

It is a cyclic number.

It is not a de Polignac number, because 1606551047247 - 2³ = 1606551047239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1606551047196 and 1606551047205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606551047287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288219504 + ... + 288225077.

It is an arithmetic number, because the mean of its divisors is an integer number (268046730630).

Almost surely, 2^{1606551047247} is an apocalyptic number.

1606551047247 is a deficient number, since it is larger than the sum of its proper divisors (537822797793).

1606551047247 is an equidigital number, since it uses as much as digits as its factorization.

1606551047247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576445513.

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 1606551047247 in words is "one trillion, six hundred six billion, five hundred fifty-one million, forty-seven thousand, two hundred forty-seven".