2668637346 has 16 divisors (see below), whose sum is σ = 5450834304. Its totient is φ = 870619184.

The previous prime is 2668637329. The next prime is 2668637347. The reversal of 2668637346 is 6437368662.

It is not an unprimeable number, because it can be changed into a prime (2668637347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4731345 + ... + 4731908.

It is an arithmetic number, because the mean of its divisors is an integer number (340677144).

Almost surely, 2^2668637346 is an apocalyptic number.

2668637346 is an abundant number, since it is smaller than the sum of its proper divisors (2782196958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2668637346 is a wasteful number, since it uses less digits than its factorization.

2668637346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9463305.

The product of its digits is 5225472, while the sum is 51.

The square root of 2668637346 is about 51658.8554460898. The cubic root of 2668637346 is about 1387.0640627717.

The spelling of 2668637346 in words is "two billion, six hundred sixty-eight million, six hundred thirty-seven thousand, three hundred forty-six".