6416615447 has 8 divisors (see below), whose sum is σ = 7015539600. Its totient is φ = 5820290560.

The previous prime is 6416615431. The next prime is 6416615479. The reversal of 6416615447 is 7445166146.

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 6416615447 - 2⁴ = 6416615431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6416615398 and 6416615407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6416615047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644648 + ... + 654525.

It is an arithmetic number, because the mean of its divisors is an integer number (876942450).

Almost surely, 2^6416615447 is an apocalyptic number.

6416615447 is a deficient number, since it is larger than the sum of its proper divisors (598924153).

6416615447 is a wasteful number, since it uses less digits than its factorization.

6416615447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299633.

The product of its digits is 483840, while the sum is 44.

The square root of 6416615447 is about 80103.7792304458. The cubic root of 6416615447 is about 1858.2408548795.

The spelling of 6416615447 in words is "six billion, four hundred sixteen million, six hundred fifteen thousand, four hundred forty-seven".