6618047845 has 16 divisors (see below), whose sum is σ = 8005596480. Its totient is φ = 5251878144.

The previous prime is 6618047837. The next prime is 6618047857. The reversal of 6618047845 is 5487408166.

It is not a de Polignac number, because 6618047845 - 2³ = 6618047837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988429 + ... + 995101.

It is an arithmetic number, because the mean of its divisors is an integer number (500349780).

Almost surely, 2^6618047845 is an apocalyptic number.

It is an amenable number.

6618047845 is a deficient number, since it is larger than the sum of its proper divisors (1387548635).

6618047845 is a wasteful number, since it uses less digits than its factorization.

6618047845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8244.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 6618047845 is about 81351.3850220142. The cubic root of 6618047845 is about 1877.4856841361.

The spelling of 6618047845 in words is "six billion, six hundred eighteen million, forty-seven thousand, eight hundred forty-five".