2666936016 has 100 divisors (see below), whose sum is σ = 7745184832. Its totient is φ = 885950784.

The previous prime is 2666935967. The next prime is 2666936017. The reversal of 2666936016 is 6106396662.

It is a super-2 number, since 2×2666936016² = 14225095426875904512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666936017) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 394521 + ... + 401223.

Almost surely, 2^2666936016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2666936016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3872592416).

2666936016 is an abundant number, since it is smaller than the sum of its proper divisors (5078248816).

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

2666936016 is a wasteful number, since it uses less digits than its factorization.

2666936016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7030 (or 7015 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 2666936016 is about 51642.3858472863. The cubic root of 2666936016 is about 1386.7692362286.

The spelling of 2666936016 in words is "two billion, six hundred sixty-six million, nine hundred thirty-six thousand, sixteen".