2666882930544 has 300 divisors, whose sum is σ = 9126143119368. Its totient is φ = 749474208000.

The previous prime is 2666882930539. The next prime is 2666882930563. The reversal of 2666882930544 is 4450392886662.

It is a happy number.

It is a super-2 number, since 2×2666882930544² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3529519 + ... + 4217969.

Almost surely, 2^{2666882930544} is an apocalyptic number.

2666882930544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2666882930544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4563071559684).

2666882930544 is an abundant number, since it is smaller than the sum of its proper divisors (6459260188824).

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

2666882930544 is a wasteful number, since it uses less digits than its factorization.

2666882930544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688546 (or 688524 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 63.

The spelling of 2666882930544 in words is "two trillion, six hundred sixty-six billion, eight hundred eighty-two million, nine hundred thirty thousand, five hundred forty-four".