6618072057347 has 4 divisors (see below), whose sum is σ = 6618078751080. Its totient is φ = 6618065363616.

The previous prime is 6618072057329. The next prime is 6618072057397. The reversal of 6618072057347 is 7437502708166.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6618072057347 - 2¹² = 6618072053251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6618072057292 and 6618072057301.

It is not an unprimeable number, because it can be changed into a prime (6618072057397) 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, 1537913 + ... + 3949850.

It is an arithmetic number, because the mean of its divisors is an integer number (1654519687770).

Almost surely, 2^{6618072057347} is an apocalyptic number.

6618072057347 is a deficient number, since it is larger than the sum of its proper divisors (6693733).

6618072057347 is a wasteful number, since it uses less digits than its factorization.

6618072057347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6693732.

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 6618072057347 in words is "six trillion, six hundred eighteen billion, seventy-two million, fifty-seven thousand, three hundred forty-seven".