2666065400 has 48 divisors (see below), whose sum is σ = 6209096640. Its totient is φ = 1064620800.

The previous prime is 2666065373. The next prime is 2666065411. The reversal of 2666065400 is 45606662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110420 + ... + 132380.

It is an arithmetic number, because the mean of its divisors is an integer number (129356180).

Almost surely, 2^2666065400 is an apocalyptic number.

2666065400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2666065400 is an abundant number, since it is smaller than the sum of its proper divisors (3543031240).

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

2666065400 is a wasteful number, since it uses less digits than its factorization.

2666065400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22584 (or 22575 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2666065400 is about 51633.9558817645. The cubic root of 2666065400 is about 1386.6183171114.

The spelling of 2666065400 in words is "two billion, six hundred sixty-six million, sixty-five thousand, four hundred".