2668149362668 has 24 divisors (see below), whose sum is σ = 4680250656480. Its totient is φ = 1330938280320.

The previous prime is 2668149362663. The next prime is 2668149362689. The reversal of 2668149362668 is 8662639418662.

It is not an unprimeable number, because it can be changed into a prime (2668149362663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2731353 + ... + 3577231.

It is an arithmetic number, because the mean of its divisors is an integer number (195010444020).

Almost surely, 2^{2668149362668} is an apocalyptic number.

It is an amenable number.

2668149362668 is a deficient number, since it is larger than the sum of its proper divisors (2012101293812).

2668149362668 is a wasteful number, since it uses less digits than its factorization.

2668149362668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847737 (or 847735 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 67.

The spelling of 2668149362668 in words is "two trillion, six hundred sixty-eight billion, one hundred forty-nine million, three hundred sixty-two thousand, six hundred sixty-eight".