2663657796 has 12 divisors (see below), whose sum is σ = 6215201552. Its totient is φ = 887885928.

The previous prime is 2663657779. The next prime is 2663657803. The reversal of 2663657796 is 6977563662.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 110985730 + ... + 110985753.

Almost surely, 2^2663657796 is an apocalyptic number.

It is an amenable number.

2663657796 is an abundant number, since it is smaller than the sum of its proper divisors (3551543756).

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

2663657796 is a wasteful number, since it uses less digits than its factorization.

2663657796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221971490 (or 221971488 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 57.

The square root of 2663657796 is about 51610.6364618767. The cubic root of 2663657796 is about 1386.2007938155.

The spelling of 2663657796 in words is "two billion, six hundred sixty-three million, six hundred fifty-seven thousand, seven hundred ninety-six".