2666681496 has 24 divisors (see below), whose sum is σ = 7222262580. Its totient is φ = 888893808.

The previous prime is 2666681431. The next prime is 2666681497. The reversal of 2666681496 is 6941866662.

2666681496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2666681496² = 14222380402217596032, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666681497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18518550 + ... + 18518693.

Almost surely, 2^2666681496 is an apocalyptic number.

It is an amenable number.

2666681496 is an abundant number, since it is smaller than the sum of its proper divisors (4555581084).

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

2666681496 is a wasteful number, since it uses less digits than its factorization.

2666681496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37037255 (or 37037248 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 2666681496 is about 51639.9215336352. The cubic root of 2666681496 is about 1386.7251192179.

The spelling of 2666681496 in words is "two billion, six hundred sixty-six million, six hundred eighty-one thousand, four hundred ninety-six".