6617666313 has 96 divisors (see below), whose sum is σ = 11009831040. Its totient is φ = 3804641280.

The previous prime is 6617666311. The next prime is 6617666333. The reversal of 6617666313 is 3136667166.

It is not a de Polignac number, because 6617666313 - 2¹ = 6617666311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6617666311) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11880631 + ... + 11881187.

It is an arithmetic number, because the mean of its divisors is an integer number (114685740).

Almost surely, 2^6617666313 is an apocalyptic number.

It is an amenable number.

6617666313 is a deficient number, since it is larger than the sum of its proper divisors (4392164727).

6617666313 is a wasteful number, since it uses less digits than its factorization.

6617666313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 724 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 6617666313 is about 81349.0400250673. The cubic root of 6617666313 is about 1877.4496042804.

The spelling of 6617666313 in words is "six billion, six hundred seventeen million, six hundred sixty-six thousand, three hundred thirteen".