2668046782 has 16 divisors (see below), whose sum is σ = 4178985120. Its totient is φ = 1275132672.

The previous prime is 2668046779. The next prime is 2668046783. The reversal of 2668046782 is 2876408662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668046783) 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, 49018 + ... + 87970.

It is an arithmetic number, because the mean of its divisors is an integer number (261186570).

Almost surely, 2^2668046782 is an apocalyptic number.

2668046782 is a deficient number, since it is larger than the sum of its proper divisors (1510938338).

2668046782 is a wasteful number, since it uses less digits than its factorization.

2668046782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40467.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The square root of 2668046782 is about 51653.1391301632. The cubic root of 2668046782 is about 1386.9617370741.

The spelling of 2668046782 in words is "two billion, six hundred sixty-eight million, forty-six thousand, seven hundred eighty-two".