2664568982 has 4 divisors (see below), whose sum is σ = 3996853476. Its totient is φ = 1332284490.

The previous prime is 2664568919. The next prime is 2664569027. The reversal of 2664568982 is 2898654662.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666142244 + ... + 666142247.

It is an arithmetic number, because the mean of its divisors is an integer number (999213369).

Almost surely, 2^2664568982 is an apocalyptic number.

2664568982 is a deficient number, since it is larger than the sum of its proper divisors (1332284494).

2664568982 is a wasteful number, since it uses less digits than its factorization.

2664568982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332284493.

The product of its digits is 9953280, while the sum is 56.

The square root of 2664568982 is about 51619.4632091423. The cubic root of 2664568982 is about 1386.3588399879.

The spelling of 2664568982 in words is "two billion, six hundred sixty-four million, five hundred sixty-eight thousand, nine hundred eighty-two".