2666774996 has 24 divisors (see below), whose sum is σ = 4749451560. Its totient is φ = 1309980672.

The previous prime is 2666774959. The next prime is 2666775047. The reversal of 2666774996 is 6994776662.

It can be written as a sum of positive squares in 4 ways, for example, as 34058896 + 2632716100 = 5836^2 + 51310^2 .

It is a super-2 number, since 2×2666774996² = 14223377758581600032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32036 + ... + 79748.

It is an arithmetic number, because the mean of its divisors is an integer number (197893815).

Almost surely, 2^2666774996 is an apocalyptic number.

It is an amenable number.

2666774996 is a deficient number, since it is larger than the sum of its proper divisors (2082676564).

2666774996 is a wasteful number, since it uses less digits than its factorization.

2666774996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47963 (or 47961 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 62.

The square root of 2666774996 is about 51640.8268330398. The cubic root of 2666774996 is about 1386.7413262882.

The spelling of 2666774996 in words is "two billion, six hundred sixty-six million, seven hundred seventy-four thousand, nine hundred ninety-six".