2918063666 has 24 divisors (see below), whose sum is σ = 5165754624. Its totient is φ = 1209790080.

The previous prime is 2918063647. The next prime is 2918063669. The reversal of 2918063666 is 6663608192.

It is a self number, because there is not a number n which added to its sum of digits gives 2918063666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2918063669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1124066 + ... + 1126658.

It is an arithmetic number, because the mean of its divisors is an integer number (215239776).

Almost surely, 2^2918063666 is an apocalyptic number.

2918063666 is a deficient number, since it is larger than the sum of its proper divisors (2247690958).

2918063666 is an frugal number, since it uses more digits than its factorization.

2918063666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5226 (or 2633 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 2918063666 is about 54019.1046390071. The cubic root of 2918063666 is about 1428.9978905061.

The spelling of 2918063666 in words is "two billion, nine hundred eighteen million, sixty-three thousand, six hundred sixty-six".