2666343306630 has 16 divisors (see below), whose sum is σ = 6399223935984. Its totient is φ = 711024881760.

The previous prime is 2666343306611. The next prime is 2666343306631. The reversal of 2666343306630 is 366033436662.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2666343306630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666343306631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44439055081 + ... + 44439055140.

It is an arithmetic number, because the mean of its divisors is an integer number (399951495999).

Almost surely, 2^{2666343306630} is an apocalyptic number.

2666343306630 is an abundant number, since it is smaller than the sum of its proper divisors (3732880629354).

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

2666343306630 is a wasteful number, since it uses less digits than its factorization.

2666343306630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88878110231.

The product of its (nonzero) digits is 5038848, while the sum is 48.

The spelling of 2666343306630 in words is "two trillion, six hundred sixty-six billion, three hundred forty-three million, three hundred six thousand, six hundred thirty".