2668941544 has 16 divisors (see below), whose sum is σ = 5120644320. Its totient is φ = 1303436400.

The previous prime is 2668941487. The next prime is 2668941547. The reversal of 2668941544 is 4451498662.

It is not an unprimeable number, because it can be changed into a prime (2668941547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3878932 + ... + 3879619.

It is an arithmetic number, because the mean of its divisors is an integer number (320040270).

Almost surely, 2^2668941544 is an apocalyptic number.

It is an amenable number.

2668941544 is a deficient number, since it is larger than the sum of its proper divisors (2451702776).

2668941544 is a wasteful number, since it uses less digits than its factorization.

2668941544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7758600 (or 7758596 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The square root of 2668941544 is about 51661.7996589356. The cubic root of 2668941544 is about 1387.1167645851.

The spelling of 2668941544 in words is "two billion, six hundred sixty-eight million, nine hundred forty-one thousand, five hundred forty-four".