2666346080 has 24 divisors (see below), whose sum is σ = 6299242992. Its totient is φ = 1066538368.

The previous prime is 2666346061. The next prime is 2666346083. The reversal of 2666346080 is 806436662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666346083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8332172 + ... + 8332491.

It is an arithmetic number, because the mean of its divisors is an integer number (262468458).

Almost surely, 2^2666346080 is an apocalyptic number.

2666346080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2666346080 is an abundant number, since it is smaller than the sum of its proper divisors (3632896912).

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

2666346080 is a wasteful number, since it uses less digits than its factorization.

2666346080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16664678 (or 16664670 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 2666346080 is about 51636.6737890813. The cubic root of 2666346080 is about 1386.6669758793. Note that the first 3 decimals are identical.

The spelling of 2666346080 in words is "two billion, six hundred sixty-six million, three hundred forty-six thousand, eighty".